Home / 18,292.14-25,243.20-9,908.64

Finding the Fourth Proportional to 18,292.14, 25,243.20 and 9,908.64

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Solution

The fourth proportional to 18,292.14, 25,243.20 and 9,908.64 is: 13,673.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,292.14 : 25,243.20 = 9,908.64 : x
  2. Step 2: Convert to fraction form
    18,292.14/25,243.20 = 9,908.64/x
  3. Step 3: Cross multiply
    18,292.14x = 25,243.20 × 9,908.64
  4. Step 4: Simplify right side
    18,292.14x = 250,125,781.25
  5. Step 5: Solve for x
    x = 250,125,781.25/18,292.14
  6. Step 6: Final answer
    x = 13,673.95

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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.