Home / 18,025.68-27,029.66-10,531.12

Finding the Fourth Proportional to 18,025.68, 27,029.66 and 10,531.12

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Solution

The fourth proportional to 18,025.68, 27,029.66 and 10,531.12 is: 15,791.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,025.68 : 27,029.66 = 10,531.12 : x
  2. Step 2: Convert to fraction form
    18,025.68/27,029.66 = 10,531.12/x
  3. Step 3: Cross multiply
    18,025.68x = 27,029.66 × 10,531.12
  4. Step 4: Simplify right side
    18,025.68x = 284,652,593.02
  5. Step 5: Solve for x
    x = 284,652,593.02/18,025.68
  6. Step 6: Final answer
    x = 15,791.50

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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.