Home / 22,738.73-31,354.38-15,569.84

Finding the Fourth Proportional to 22,738.73, 31,354.38 and 15,569.84

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Solution

The fourth proportional to 22,738.73, 31,354.38 and 15,569.84 is: 21,469.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.73 : 31,354.38 = 15,569.84 : x
  2. Step 2: Convert to fraction form
    22,738.73/31,354.38 = 15,569.84/x
  3. Step 3: Cross multiply
    22,738.73x = 31,354.38 × 15,569.84
  4. Step 4: Simplify right side
    22,738.73x = 488,182,679.90
  5. Step 5: Solve for x
    x = 488,182,679.90/22,738.73
  6. Step 6: Final answer
    x = 21,469.21

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1.5x scale

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.