Home / 19,972.74-29,937.24-10,098.45

Finding the Fourth Proportional to 19,972.74, 29,937.24 and 10,098.45

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Solution

The fourth proportional to 19,972.74, 29,937.24 and 10,098.45 is: 15,136.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.74 : 29,937.24 = 10,098.45 : x
  2. Step 2: Convert to fraction form
    19,972.74/29,937.24 = 10,098.45/x
  3. Step 3: Cross multiply
    19,972.74x = 29,937.24 × 10,098.45
  4. Step 4: Simplify right side
    19,972.74x = 302,319,721.28
  5. Step 5: Solve for x
    x = 302,319,721.28/19,972.74
  6. Step 6: Final answer
    x = 15,136.62

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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.