Home / 16,521.15-24,781.77-11,612.75

Finding the Fourth Proportional to 16,521.15, 24,781.77 and 11,612.75

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Solution

The fourth proportional to 16,521.15, 24,781.77 and 11,612.75 is: 17,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,521.15 : 24,781.77 = 11,612.75 : x
  2. Step 2: Convert to fraction form
    16,521.15/24,781.77 = 11,612.75/x
  3. Step 3: Cross multiply
    16,521.15x = 24,781.77 × 11,612.75
  4. Step 4: Simplify right side
    16,521.15x = 287,784,375.66
  5. Step 5: Solve for x
    x = 287,784,375.66/16,521.15
  6. Step 6: Final answer
    x = 17,419.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.