Home / 16,753.12-23,117.66-9,679.39

Finding the Fourth Proportional to 16,753.12, 23,117.66 and 9,679.39

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Solution

The fourth proportional to 16,753.12, 23,117.66 and 9,679.39 is: 13,356.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,753.12 : 23,117.66 = 9,679.39 : x
  2. Step 2: Convert to fraction form
    16,753.12/23,117.66 = 9,679.39/x
  3. Step 3: Cross multiply
    16,753.12x = 23,117.66 × 9,679.39
  4. Step 4: Simplify right side
    16,753.12x = 223,764,847.03
  5. Step 5: Solve for x
    x = 223,764,847.03/16,753.12
  6. Step 6: Final answer
    x = 13,356.61

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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.