Home / 19,387.80-29,084.60-8,294.52

Finding the Fourth Proportional to 19,387.80, 29,084.60 and 8,294.52

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Solution

The fourth proportional to 19,387.80, 29,084.60 and 8,294.52 is: 12,443.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.80 : 29,084.60 = 8,294.52 : x
  2. Step 2: Convert to fraction form
    19,387.80/29,084.60 = 8,294.52/x
  3. Step 3: Cross multiply
    19,387.80x = 29,084.60 × 8,294.52
  4. Step 4: Simplify right side
    19,387.80x = 241,242,796.39
  5. Step 5: Solve for x
    x = 241,242,796.39/19,387.80
  6. Step 6: Final answer
    x = 12,443.02

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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.