Home / 25,472.27-38,208.24-13,859.30

Finding the Fourth Proportional to 25,472.27, 38,208.24 and 13,859.30

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Solution

The fourth proportional to 25,472.27, 38,208.24 and 13,859.30 is: 20,788.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,472.27 : 38,208.24 = 13,859.30 : x
  2. Step 2: Convert to fraction form
    25,472.27/38,208.24 = 13,859.30/x
  3. Step 3: Cross multiply
    25,472.27x = 38,208.24 × 13,859.30
  4. Step 4: Simplify right side
    25,472.27x = 529,539,269.59
  5. Step 5: Solve for x
    x = 529,539,269.59/25,472.27
  6. Step 6: Final answer
    x = 20,788.86

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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.