Home / 18,330.05-27,473.45-7,796.90

Finding the Fourth Proportional to 18,330.05, 27,473.45 and 7,796.90

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Solution

The fourth proportional to 18,330.05, 27,473.45 and 7,796.90 is: 11,686.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.05 : 27,473.45 = 7,796.90 : x
  2. Step 2: Convert to fraction form
    18,330.05/27,473.45 = 7,796.90/x
  3. Step 3: Cross multiply
    18,330.05x = 27,473.45 × 7,796.90
  4. Step 4: Simplify right side
    18,330.05x = 214,207,565.95
  5. Step 5: Solve for x
    x = 214,207,565.95/18,330.05
  6. Step 6: Final answer
    x = 11,686.15

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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.