Home / 18,294.26-25,246.20-9,910.76

Finding the Fourth Proportional to 18,294.26, 25,246.20 and 9,910.76

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Solution

The fourth proportional to 18,294.26, 25,246.20 and 9,910.76 is: 13,676.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.26 : 25,246.20 = 9,910.76 : x
  2. Step 2: Convert to fraction form
    18,294.26/25,246.20 = 9,910.76/x
  3. Step 3: Cross multiply
    18,294.26x = 25,246.20 × 9,910.76
  4. Step 4: Simplify right side
    18,294.26x = 250,209,029.11
  5. Step 5: Solve for x
    x = 250,209,029.11/18,294.26
  6. Step 6: Final answer
    x = 13,676.91

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Half 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.