Home / 25,710.96-38,566.44-13,422.96

Finding the Fourth Proportional to 25,710.96, 38,566.44 and 13,422.96

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Solution

The fourth proportional to 25,710.96, 38,566.44 and 13,422.96 is: 20,134.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,710.96 : 38,566.44 = 13,422.96 : x
  2. Step 2: Convert to fraction form
    25,710.96/38,566.44 = 13,422.96/x
  3. Step 3: Cross multiply
    25,710.96x = 38,566.44 × 13,422.96
  4. Step 4: Simplify right side
    25,710.96x = 517,675,781.46
  5. Step 5: Solve for x
    x = 517,675,781.46/25,710.96
  6. Step 6: Final answer
    x = 20,134.44

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Similar ratio
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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.