Home / 25,073.40-34,601-13,743.52

Finding the Fourth Proportional to 25,073.40, 34,601 and 13,743.52

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Solution

The fourth proportional to 25,073.40, 34,601 and 13,743.52 is: 18,965.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,073.40 : 34,601 = 13,743.52 : x
  2. Step 2: Convert to fraction form
    25,073.40/34,601 = 13,743.52/x
  3. Step 3: Cross multiply
    25,073.40x = 34,601 × 13,743.52
  4. Step 4: Simplify right side
    25,073.40x = 475,539,535.52
  5. Step 5: Solve for x
    x = 475,539,535.52/25,073.40
  6. Step 6: Final answer
    x = 18,965.90

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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.