Home / 22,665.84-31,278.87-13,232.58

Finding the Fourth Proportional to 22,665.84, 31,278.87 and 13,232.58

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Solution

The fourth proportional to 22,665.84, 31,278.87 and 13,232.58 is: 18,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,665.84 : 31,278.87 = 13,232.58 : x
  2. Step 2: Convert to fraction form
    22,665.84/31,278.87 = 13,232.58/x
  3. Step 3: Cross multiply
    22,665.84x = 31,278.87 × 13,232.58
  4. Step 4: Simplify right side
    22,665.84x = 413,900,149.58
  5. Step 5: Solve for x
    x = 413,900,149.58/22,665.84
  6. Step 6: Final answer
    x = 18,260.97

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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.