Home / 21,160.24-31,717.68-10,060

Finding the Fourth Proportional to 21,160.24, 31,717.68 and 10,060

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Solution

The fourth proportional to 21,160.24, 31,717.68 and 10,060 is: 15,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,160.24 : 31,717.68 = 10,060 : x
  2. Step 2: Convert to fraction form
    21,160.24/31,717.68 = 10,060/x
  3. Step 3: Cross multiply
    21,160.24x = 31,717.68 × 10,060
  4. Step 4: Simplify right side
    21,160.24x = 319,079,860.80
  5. Step 5: Solve for x
    x = 319,079,860.80/21,160.24
  6. Step 6: Final answer
    x = 15,079.22

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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.