Home / 18,373.11-25,354.16-10,819.76

Finding the Fourth Proportional to 18,373.11, 25,354.16 and 10,819.76

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Solution

The fourth proportional to 18,373.11, 25,354.16 and 10,819.76 is: 14,930.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,373.11 : 25,354.16 = 10,819.76 : x
  2. Step 2: Convert to fraction form
    18,373.11/25,354.16 = 10,819.76/x
  3. Step 3: Cross multiply
    18,373.11x = 25,354.16 × 10,819.76
  4. Step 4: Simplify right side
    18,373.11x = 274,325,872.10
  5. Step 5: Solve for x
    x = 274,325,872.10/18,373.11
  6. Step 6: Final answer
    x = 14,930.83

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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.