Home / 18,277.77-25,223.58-9,894.27

Finding the Fourth Proportional to 18,277.77, 25,223.58 and 9,894.27

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Solution

The fourth proportional to 18,277.77, 25,223.58 and 9,894.27 is: 13,654.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,277.77 : 25,223.58 = 9,894.27 : x
  2. Step 2: Convert to fraction form
    18,277.77/25,223.58 = 9,894.27/x
  3. Step 3: Cross multiply
    18,277.77x = 25,223.58 × 9,894.27
  4. Step 4: Simplify right side
    18,277.77x = 249,568,910.89
  5. Step 5: Solve for x
    x = 249,568,910.89/18,277.77
  6. Step 6: Final answer
    x = 13,654.23

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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.