Home / 14,951.04-20,633.92-11,218.56

Finding the Fourth Proportional to 14,951.04, 20,633.92 and 11,218.56

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Solution

The fourth proportional to 14,951.04, 20,633.92 and 11,218.56 is: 15,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.04 : 20,633.92 = 11,218.56 : x
  2. Step 2: Convert to fraction form
    14,951.04/20,633.92 = 11,218.56/x
  3. Step 3: Cross multiply
    14,951.04x = 20,633.92 × 11,218.56
  4. Step 4: Simplify right side
    14,951.04x = 231,482,869.56
  5. Step 5: Solve for x
    x = 231,482,869.56/14,951.04
  6. Step 6: Final answer
    x = 15,482.73

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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.