Home / 18,333.42-27,499.55-5,854.20

Finding the Fourth Proportional to 18,333.42, 27,499.55 and 5,854.20

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Solution

The fourth proportional to 18,333.42, 27,499.55 and 5,854.20 is: 8,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.42 : 27,499.55 = 5,854.20 : x
  2. Step 2: Convert to fraction form
    18,333.42/27,499.55 = 5,854.20/x
  3. Step 3: Cross multiply
    18,333.42x = 27,499.55 × 5,854.20
  4. Step 4: Simplify right side
    18,333.42x = 160,987,836.34
  5. Step 5: Solve for x
    x = 160,987,836.34/18,333.42
  6. Step 6: Final answer
    x = 8,781.11

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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.