Home / 20,423.46-30,635.35-5,633.22

Finding the Fourth Proportional to 20,423.46, 30,635.35 and 5,633.22

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Solution

The fourth proportional to 20,423.46, 30,635.35 and 5,633.22 is: 8,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,423.46 : 30,635.35 = 5,633.22 : x
  2. Step 2: Convert to fraction form
    20,423.46/30,635.35 = 5,633.22/x
  3. Step 3: Cross multiply
    20,423.46x = 30,635.35 × 5,633.22
  4. Step 4: Simplify right side
    20,423.46x = 172,575,767.13
  5. Step 5: Solve for x
    x = 172,575,767.13/20,423.46
  6. Step 6: Final answer
    x = 8,449.88

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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.