Home / 19,590.62-29,386.17-5,739.90

Finding the Fourth Proportional to 19,590.62, 29,386.17 and 5,739.90

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Solution

The fourth proportional to 19,590.62, 29,386.17 and 5,739.90 is: 8,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,590.62 : 29,386.17 = 5,739.90 : x
  2. Step 2: Convert to fraction form
    19,590.62/29,386.17 = 5,739.90/x
  3. Step 3: Cross multiply
    19,590.62x = 29,386.17 × 5,739.90
  4. Step 4: Simplify right side
    19,590.62x = 168,673,677.18
  5. Step 5: Solve for x
    x = 168,673,677.18/19,590.62
  6. Step 6: Final answer
    x = 8,609.92

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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.