Home / 22,712.13-34,074-13,359.87

Finding the Fourth Proportional to 22,712.13, 34,074 and 13,359.87

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Solution

The fourth proportional to 22,712.13, 34,074 and 13,359.87 is: 20,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,712.13 : 34,074 = 13,359.87 : x
  2. Step 2: Convert to fraction form
    22,712.13/34,074 = 13,359.87/x
  3. Step 3: Cross multiply
    22,712.13x = 34,074 × 13,359.87
  4. Step 4: Simplify right side
    22,712.13x = 455,224,210.38
  5. Step 5: Solve for x
    x = 455,224,210.38/22,712.13
  6. Step 6: Final answer
    x = 20,043.22

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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.