Home / 15,691.76-21,658.24-10,093.04

Finding the Fourth Proportional to 15,691.76, 21,658.24 and 10,093.04

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Solution

The fourth proportional to 15,691.76, 21,658.24 and 10,093.04 is: 13,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,691.76 : 21,658.24 = 10,093.04 : x
  2. Step 2: Convert to fraction form
    15,691.76/21,658.24 = 10,093.04/x
  3. Step 3: Cross multiply
    15,691.76x = 21,658.24 × 10,093.04
  4. Step 4: Simplify right side
    15,691.76x = 218,597,482.65
  5. Step 5: Solve for x
    x = 218,597,482.65/15,691.76
  6. Step 6: Final answer
    x = 13,930.72

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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.