Home / 18,073.55-27,114.29-5,422.77

Finding the Fourth Proportional to 18,073.55, 27,114.29 and 5,422.77

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Solution

The fourth proportional to 18,073.55, 27,114.29 and 5,422.77 is: 8,135.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,073.55 : 27,114.29 = 5,422.77 : x
  2. Step 2: Convert to fraction form
    18,073.55/27,114.29 = 5,422.77/x
  3. Step 3: Cross multiply
    18,073.55x = 27,114.29 × 5,422.77
  4. Step 4: Simplify right side
    18,073.55x = 147,034,558.38
  5. Step 5: Solve for x
    x = 147,034,558.38/18,073.55
  6. Step 6: Final answer
    x = 8,135.34

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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.