Home / 16,317.68-22,517.76-9,243.68

Finding the Fourth Proportional to 16,317.68, 22,517.76 and 9,243.68

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Solution

The fourth proportional to 16,317.68, 22,517.76 and 9,243.68 is: 12,755.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,317.68 : 22,517.76 = 9,243.68 : x
  2. Step 2: Convert to fraction form
    16,317.68/22,517.76 = 9,243.68/x
  3. Step 3: Cross multiply
    16,317.68x = 22,517.76 × 9,243.68
  4. Step 4: Simplify right side
    16,317.68x = 208,146,967.76
  5. Step 5: Solve for x
    x = 208,146,967.76/16,317.68
  6. Step 6: Final answer
    x = 12,755.92

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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.