Home / 20,158.12-27,846.65-16,151.56

Finding the Fourth Proportional to 20,158.12, 27,846.65 and 16,151.56

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Solution

The fourth proportional to 20,158.12, 27,846.65 and 16,151.56 is: 22,311.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,158.12 : 27,846.65 = 16,151.56 : x
  2. Step 2: Convert to fraction form
    20,158.12/27,846.65 = 16,151.56/x
  3. Step 3: Cross multiply
    20,158.12x = 27,846.65 × 16,151.56
  4. Step 4: Simplify right side
    20,158.12x = 449,766,809.04
  5. Step 5: Solve for x
    x = 449,766,809.04/20,158.12
  6. Step 6: Final answer
    x = 22,311.94

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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.