Home / 25,425.38-38,146.07-11,397.20

Finding the Fourth Proportional to 25,425.38, 38,146.07 and 11,397.20

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Solution

The fourth proportional to 25,425.38, 38,146.07 and 11,397.20 is: 17,099.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,425.38 : 38,146.07 = 11,397.20 : x
  2. Step 2: Convert to fraction form
    25,425.38/38,146.07 = 11,397.20/x
  3. Step 3: Cross multiply
    25,425.38x = 38,146.07 × 11,397.20
  4. Step 4: Simplify right side
    25,425.38x = 434,758,141.29
  5. Step 5: Solve for x
    x = 434,758,141.29/25,425.38
  6. Step 6: Final answer
    x = 17,099.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.