Home / 20,184.55-27,854.85-11,232.43

Finding the Fourth Proportional to 20,184.55, 27,854.85 and 11,232.43

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Solution

The fourth proportional to 20,184.55, 27,854.85 and 11,232.43 is: 15,500.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.55 : 27,854.85 = 11,232.43 : x
  2. Step 2: Convert to fraction form
    20,184.55/27,854.85 = 11,232.43/x
  3. Step 3: Cross multiply
    20,184.55x = 27,854.85 × 11,232.43
  4. Step 4: Simplify right side
    20,184.55x = 312,877,652.79
  5. Step 5: Solve for x
    x = 312,877,652.79/20,184.55
  6. Step 6: Final answer
    x = 15,500.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.