Home / 19,972.50-29,957.94-5,931.96

Finding the Fourth Proportional to 19,972.50, 29,957.94 and 5,931.96

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Solution

The fourth proportional to 19,972.50, 29,957.94 and 5,931.96 is: 8,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.50 : 29,957.94 = 5,931.96 : x
  2. Step 2: Convert to fraction form
    19,972.50/29,957.94 = 5,931.96/x
  3. Step 3: Cross multiply
    19,972.50x = 29,957.94 × 5,931.96
  4. Step 4: Simplify right side
    19,972.50x = 177,709,301.76
  5. Step 5: Solve for x
    x = 177,709,301.76/19,972.50
  6. Step 6: Final answer
    x = 8,897.70

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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.