Home / 22,761.19-34,142.09-8,721.93

Finding the Fourth Proportional to 22,761.19, 34,142.09 and 8,721.93

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Solution

The fourth proportional to 22,761.19, 34,142.09 and 8,721.93 is: 13,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,761.19 : 34,142.09 = 8,721.93 : x
  2. Step 2: Convert to fraction form
    22,761.19/34,142.09 = 8,721.93/x
  3. Step 3: Cross multiply
    22,761.19x = 34,142.09 × 8,721.93
  4. Step 4: Simplify right side
    22,761.19x = 297,784,860.47
  5. Step 5: Solve for x
    x = 297,784,860.47/22,761.19
  6. Step 6: Final answer
    x = 13,083.01

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1.5x scale

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.