Home / 16,555.20-24,832.80-11,306.40

Finding the Fourth Proportional to 16,555.20, 24,832.80 and 11,306.40

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Solution

The fourth proportional to 16,555.20, 24,832.80 and 11,306.40 is: 16,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,555.20 : 24,832.80 = 11,306.40 : x
  2. Step 2: Convert to fraction form
    16,555.20/24,832.80 = 11,306.40/x
  3. Step 3: Cross multiply
    16,555.20x = 24,832.80 × 11,306.40
  4. Step 4: Simplify right side
    16,555.20x = 280,769,569.92
  5. Step 5: Solve for x
    x = 280,769,569.92/16,555.20
  6. Step 6: Final answer
    x = 16,959.60

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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.