Home / 16,747.92-23,116.29-9,678.42

Finding the Fourth Proportional to 16,747.92, 23,116.29 and 9,678.42

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Solution

The fourth proportional to 16,747.92, 23,116.29 and 9,678.42 is: 13,358.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,747.92 : 23,116.29 = 9,678.42 : x
  2. Step 2: Convert to fraction form
    16,747.92/23,116.29 = 9,678.42/x
  3. Step 3: Cross multiply
    16,747.92x = 23,116.29 × 9,678.42
  4. Step 4: Simplify right side
    16,747.92x = 223,729,163.46
  5. Step 5: Solve for x
    x = 223,729,163.46/16,747.92
  6. Step 6: Final answer
    x = 13,358.62

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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.