Home / 16,891.20-23,309.22-9,337.44

Finding the Fourth Proportional to 16,891.20, 23,309.22 and 9,337.44

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Solution

The fourth proportional to 16,891.20, 23,309.22 and 9,337.44 is: 12,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.20 : 23,309.22 = 9,337.44 : x
  2. Step 2: Convert to fraction form
    16,891.20/23,309.22 = 9,337.44/x
  3. Step 3: Cross multiply
    16,891.20x = 23,309.22 × 9,337.44
  4. Step 4: Simplify right side
    16,891.20x = 217,648,443.20
  5. Step 5: Solve for x
    x = 217,648,443.20/16,891.20
  6. Step 6: Final answer
    x = 12,885.32

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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.