Home / 21,446.20-32,133.72-15,175.12

Finding the Fourth Proportional to 21,446.20, 32,133.72 and 15,175.12

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Solution

The fourth proportional to 21,446.20, 32,133.72 and 15,175.12 is: 22,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,446.20 : 32,133.72 = 15,175.12 : x
  2. Step 2: Convert to fraction form
    21,446.20/32,133.72 = 15,175.12/x
  3. Step 3: Cross multiply
    21,446.20x = 32,133.72 × 15,175.12
  4. Step 4: Simplify right side
    21,446.20x = 487,633,057.05
  5. Step 5: Solve for x
    x = 487,633,057.05/21,446.20
  6. Step 6: Final answer
    x = 22,737.50

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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.