Home / 18,529.12-27,793.68-6,225.76

Finding the Fourth Proportional to 18,529.12, 27,793.68 and 6,225.76

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Solution

The fourth proportional to 18,529.12, 27,793.68 and 6,225.76 is: 9,338.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.12 : 27,793.68 = 6,225.76 : x
  2. Step 2: Convert to fraction form
    18,529.12/27,793.68 = 6,225.76/x
  3. Step 3: Cross multiply
    18,529.12x = 27,793.68 × 6,225.76
  4. Step 4: Simplify right side
    18,529.12x = 173,036,781.20
  5. Step 5: Solve for x
    x = 173,036,781.20/18,529.12
  6. Step 6: Final answer
    x = 9,338.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.