Home / 14,691.62-20,277.06-10,707.78

Finding the Fourth Proportional to 14,691.62, 20,277.06 and 10,707.78

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Solution

The fourth proportional to 14,691.62, 20,277.06 and 10,707.78 is: 14,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.62 : 20,277.06 = 10,707.78 : x
  2. Step 2: Convert to fraction form
    14,691.62/20,277.06 = 10,707.78/x
  3. Step 3: Cross multiply
    14,691.62x = 20,277.06 × 10,707.78
  4. Step 4: Simplify right side
    14,691.62x = 217,122,297.53
  5. Step 5: Solve for x
    x = 217,122,297.53/14,691.62
  6. Step 6: Final answer
    x = 14,778.65

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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.