Home / 25,634.16-38,437.60-13,149.12

Finding the Fourth Proportional to 25,634.16, 38,437.60 and 13,149.12

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Solution

The fourth proportional to 25,634.16, 38,437.60 and 13,149.12 is: 19,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,634.16 : 38,437.60 = 13,149.12 : x
  2. Step 2: Convert to fraction form
    25,634.16/38,437.60 = 13,149.12/x
  3. Step 3: Cross multiply
    25,634.16x = 38,437.60 × 13,149.12
  4. Step 4: Simplify right side
    25,634.16x = 505,420,614.91
  5. Step 5: Solve for x
    x = 505,420,614.91/25,634.16
  6. Step 6: Final answer
    x = 19,716.68

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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.