Home / 16,861.05-23,269.03-9,693.29

Finding the Fourth Proportional to 16,861.05, 23,269.03 and 9,693.29

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Solution

The fourth proportional to 16,861.05, 23,269.03 and 9,693.29 is: 13,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,861.05 : 23,269.03 = 9,693.29 : x
  2. Step 2: Convert to fraction form
    16,861.05/23,269.03 = 9,693.29/x
  3. Step 3: Cross multiply
    16,861.05x = 23,269.03 × 9,693.29
  4. Step 4: Simplify right side
    16,861.05x = 225,553,489.75
  5. Step 5: Solve for x
    x = 225,553,489.75/16,861.05
  6. Step 6: Final answer
    x = 13,377.19

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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.