Home / 19,338.15-29,007.59-15,489.03

Finding the Fourth Proportional to 19,338.15, 29,007.59 and 15,489.03

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Solution

The fourth proportional to 19,338.15, 29,007.59 and 15,489.03 is: 23,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.15 : 29,007.59 = 15,489.03 : x
  2. Step 2: Convert to fraction form
    19,338.15/29,007.59 = 15,489.03/x
  3. Step 3: Cross multiply
    19,338.15x = 29,007.59 × 15,489.03
  4. Step 4: Simplify right side
    19,338.15x = 449,299,354.29
  5. Step 5: Solve for x
    x = 449,299,354.29/19,338.15
  6. Step 6: Final answer
    x = 23,233.83

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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.