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Finding the Fourth Proportional to 18,026.25, 24,876.07 and 9,959.88

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Solution

The fourth proportional to 18,026.25, 24,876.07 and 9,959.88 is: 13,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.25 : 24,876.07 = 9,959.88 : x
  2. Step 2: Convert to fraction form
    18,026.25/24,876.07 = 9,959.88/x
  3. Step 3: Cross multiply
    18,026.25x = 24,876.07 × 9,959.88
  4. Step 4: Simplify right side
    18,026.25x = 247,762,572.59
  5. Step 5: Solve for x
    x = 247,762,572.59/18,026.25
  6. Step 6: Final answer
    x = 13,744.55

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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.