Home / 24,479.31-33,781.36-13,870.97

Finding the Fourth Proportional to 24,479.31, 33,781.36 and 13,870.97

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Solution

The fourth proportional to 24,479.31, 33,781.36 and 13,870.97 is: 19,141.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,479.31 : 33,781.36 = 13,870.97 : x
  2. Step 2: Convert to fraction form
    24,479.31/33,781.36 = 13,870.97/x
  3. Step 3: Cross multiply
    24,479.31x = 33,781.36 × 13,870.97
  4. Step 4: Simplify right side
    24,479.31x = 468,580,231.12
  5. Step 5: Solve for x
    x = 468,580,231.12/24,479.31
  6. Step 6: Final answer
    x = 19,141.89

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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.