Home / 15,737.04-21,724.53-10,080

Finding the Fourth Proportional to 15,737.04, 21,724.53 and 10,080

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Solution

The fourth proportional to 15,737.04, 21,724.53 and 10,080 is: 13,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,737.04 : 21,724.53 = 10,080 : x
  2. Step 2: Convert to fraction form
    15,737.04/21,724.53 = 10,080/x
  3. Step 3: Cross multiply
    15,737.04x = 21,724.53 × 10,080
  4. Step 4: Simplify right side
    15,737.04x = 218,983,262.40
  5. Step 5: Solve for x
    x = 218,983,262.40/15,737.04
  6. Step 6: Final answer
    x = 13,915.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.