Home / 16,818.60-25,233.30-11,278.20

Finding the Fourth Proportional to 16,818.60, 25,233.30 and 11,278.20

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Solution

The fourth proportional to 16,818.60, 25,233.30 and 11,278.20 is: 16,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.60 : 25,233.30 = 11,278.20 : x
  2. Step 2: Convert to fraction form
    16,818.60/25,233.30 = 11,278.20/x
  3. Step 3: Cross multiply
    16,818.60x = 25,233.30 × 11,278.20
  4. Step 4: Simplify right side
    16,818.60x = 284,586,204.06
  5. Step 5: Solve for x
    x = 284,586,204.06/16,818.60
  6. Step 6: Final answer
    x = 16,920.92

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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.