Home / 18,294.12-25,245.90-9,910.62

Finding the Fourth Proportional to 18,294.12, 25,245.90 and 9,910.62

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Solution

The fourth proportional to 18,294.12, 25,245.90 and 9,910.62 is: 13,676.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.12 : 25,245.90 = 9,910.62 : x
  2. Step 2: Convert to fraction form
    18,294.12/25,245.90 = 9,910.62/x
  3. Step 3: Cross multiply
    18,294.12x = 25,245.90 × 9,910.62
  4. Step 4: Simplify right side
    18,294.12x = 250,202,521.46
  5. Step 5: Solve for x
    x = 250,202,521.46/18,294.12
  6. Step 6: Final answer
    x = 13,676.66

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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.