Home / 16,281.98-22,470.21-9,112.57

Finding the Fourth Proportional to 16,281.98, 22,470.21 and 9,112.57

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Solution

The fourth proportional to 16,281.98, 22,470.21 and 9,112.57 is: 12,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,281.98 : 22,470.21 = 9,112.57 : x
  2. Step 2: Convert to fraction form
    16,281.98/22,470.21 = 9,112.57/x
  3. Step 3: Cross multiply
    16,281.98x = 22,470.21 × 9,112.57
  4. Step 4: Simplify right side
    16,281.98x = 204,761,305.36
  5. Step 5: Solve for x
    x = 204,761,305.36/16,281.98
  6. Step 6: Final answer
    x = 12,575.95

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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.