Home / 22,881.50-34,156.54-19,781.43

Finding the Fourth Proportional to 22,881.50, 34,156.54 and 19,781.43

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Solution

The fourth proportional to 22,881.50, 34,156.54 and 19,781.43 is: 29,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,881.50 : 34,156.54 = 19,781.43 : x
  2. Step 2: Convert to fraction form
    22,881.50/34,156.54 = 19,781.43/x
  3. Step 3: Cross multiply
    22,881.50x = 34,156.54 × 19,781.43
  4. Step 4: Simplify right side
    22,881.50x = 675,665,205.05
  5. Step 5: Solve for x
    x = 675,665,205.05/22,881.50
  6. Step 6: Final answer
    x = 29,528.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.