Home / 25,618.71-38,129.34-25,372.47

Finding the Fourth Proportional to 25,618.71, 38,129.34 and 25,372.47

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Solution

The fourth proportional to 25,618.71, 38,129.34 and 25,372.47 is: 37,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.71 : 38,129.34 = 25,372.47 : x
  2. Step 2: Convert to fraction form
    25,618.71/38,129.34 = 25,372.47/x
  3. Step 3: Cross multiply
    25,618.71x = 38,129.34 × 25,372.47
  4. Step 4: Simplify right side
    25,618.71x = 967,435,535.27
  5. Step 5: Solve for x
    x = 967,435,535.27/25,618.71
  6. Step 6: Final answer
    x = 37,762.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.