Home / 19,972.14-29,948.94-11,654.55

Finding the Fourth Proportional to 19,972.14, 29,948.94 and 11,654.55

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Solution

The fourth proportional to 19,972.14, 29,948.94 and 11,654.55 is: 17,476.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.14 : 29,948.94 = 11,654.55 : x
  2. Step 2: Convert to fraction form
    19,972.14/29,948.94 = 11,654.55/x
  3. Step 3: Cross multiply
    19,972.14x = 29,948.94 × 11,654.55
  4. Step 4: Simplify right side
    19,972.14x = 349,041,418.68
  5. Step 5: Solve for x
    x = 349,041,418.68/19,972.14
  6. Step 6: Final answer
    x = 17,476.42

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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.