Home / 22,839.66-31,498.28-14,342.56

Finding the Fourth Proportional to 22,839.66, 31,498.28 and 14,342.56

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Solution

The fourth proportional to 22,839.66, 31,498.28 and 14,342.56 is: 19,779.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,839.66 : 31,498.28 = 14,342.56 : x
  2. Step 2: Convert to fraction form
    22,839.66/31,498.28 = 14,342.56/x
  3. Step 3: Cross multiply
    22,839.66x = 31,498.28 × 14,342.56
  4. Step 4: Simplify right side
    22,839.66x = 451,765,970.80
  5. Step 5: Solve for x
    x = 451,765,970.80/22,839.66
  6. Step 6: Final answer
    x = 19,779.89

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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.