Home / 16,678.66-23,016.45-9,124.85

Finding the Fourth Proportional to 16,678.66, 23,016.45 and 9,124.85

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Solution

The fourth proportional to 16,678.66, 23,016.45 and 9,124.85 is: 12,592.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,678.66 : 23,016.45 = 9,124.85 : x
  2. Step 2: Convert to fraction form
    16,678.66/23,016.45 = 9,124.85/x
  3. Step 3: Cross multiply
    16,678.66x = 23,016.45 × 9,124.85
  4. Step 4: Simplify right side
    16,678.66x = 210,021,538.70
  5. Step 5: Solve for x
    x = 210,021,538.70/16,678.66
  6. Step 6: Final answer
    x = 12,592.23

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Double scale
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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.