Home / 18,301.12-27,451.20-5,153.44

Finding the Fourth Proportional to 18,301.12, 27,451.20 and 5,153.44

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Solution

The fourth proportional to 18,301.12, 27,451.20 and 5,153.44 is: 7,730.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.12 : 27,451.20 = 5,153.44 : x
  2. Step 2: Convert to fraction form
    18,301.12/27,451.20 = 5,153.44/x
  3. Step 3: Cross multiply
    18,301.12x = 27,451.20 × 5,153.44
  4. Step 4: Simplify right side
    18,301.12x = 141,468,112.13
  5. Step 5: Solve for x
    x = 141,468,112.13/18,301.12
  6. Step 6: Final answer
    x = 7,730.02

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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.