Home / 18,265.86-25,206.75-9,882.36

Finding the Fourth Proportional to 18,265.86, 25,206.75 and 9,882.36

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Solution

The fourth proportional to 18,265.86, 25,206.75 and 9,882.36 is: 13,637.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,265.86 : 25,206.75 = 9,882.36 : x
  2. Step 2: Convert to fraction form
    18,265.86/25,206.75 = 9,882.36/x
  3. Step 3: Cross multiply
    18,265.86x = 25,206.75 × 9,882.36
  4. Step 4: Simplify right side
    18,265.86x = 249,102,177.93
  5. Step 5: Solve for x
    x = 249,102,177.93/18,265.86
  6. Step 6: Final answer
    x = 13,637.58

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Find fourth proportional to 9,132.93, 12,603.38 and 4,941.18
Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.