Home / 19,824.62-29,678.60-13,234.46

Finding the Fourth Proportional to 19,824.62, 29,678.60 and 13,234.46

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Solution

The fourth proportional to 19,824.62, 29,678.60 and 13,234.46 is: 19,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,824.62 : 29,678.60 = 13,234.46 : x
  2. Step 2: Convert to fraction form
    19,824.62/29,678.60 = 13,234.46/x
  3. Step 3: Cross multiply
    19,824.62x = 29,678.60 × 13,234.46
  4. Step 4: Simplify right side
    19,824.62x = 392,780,244.56
  5. Step 5: Solve for x
    x = 392,780,244.56/19,824.62
  6. Step 6: Final answer
    x = 19,812.75

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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.