Home / 16,486.25-22,754.45-15,157.85

Finding the Fourth Proportional to 16,486.25, 22,754.45 and 15,157.85

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Solution

The fourth proportional to 16,486.25, 22,754.45 and 15,157.85 is: 20,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,486.25 : 22,754.45 = 15,157.85 : x
  2. Step 2: Convert to fraction form
    16,486.25/22,754.45 = 15,157.85/x
  3. Step 3: Cross multiply
    16,486.25x = 22,754.45 × 15,157.85
  4. Step 4: Simplify right side
    16,486.25x = 344,908,464.05
  5. Step 5: Solve for x
    x = 344,908,464.05/16,486.25
  6. Step 6: Final answer
    x = 20,920.98

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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.