Home / 17,781.41-24,528.06-11,493.78

Finding the Fourth Proportional to 17,781.41, 24,528.06 and 11,493.78

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Solution

The fourth proportional to 17,781.41, 24,528.06 and 11,493.78 is: 15,854.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.41 : 24,528.06 = 11,493.78 : x
  2. Step 2: Convert to fraction form
    17,781.41/24,528.06 = 11,493.78/x
  3. Step 3: Cross multiply
    17,781.41x = 24,528.06 × 11,493.78
  4. Step 4: Simplify right side
    17,781.41x = 281,920,125.47
  5. Step 5: Solve for x
    x = 281,920,125.47/17,781.41
  6. Step 6: Final answer
    x = 15,854.77

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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.