Home / 16,788.18-23,167.20-9,234.48

Finding the Fourth Proportional to 16,788.18, 23,167.20 and 9,234.48

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Solution

The fourth proportional to 16,788.18, 23,167.20 and 9,234.48 is: 12,743.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,788.18 : 23,167.20 = 9,234.48 : x
  2. Step 2: Convert to fraction form
    16,788.18/23,167.20 = 9,234.48/x
  3. Step 3: Cross multiply
    16,788.18x = 23,167.20 × 9,234.48
  4. Step 4: Simplify right side
    16,788.18x = 213,937,045.06
  5. Step 5: Solve for x
    x = 213,937,045.06/16,788.18
  6. Step 6: Final answer
    x = 12,743.31

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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.