Home / 21,590.48-32,387.61-6,600.98

Finding the Fourth Proportional to 21,590.48, 32,387.61 and 6,600.98

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Solution

The fourth proportional to 21,590.48, 32,387.61 and 6,600.98 is: 9,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.48 : 32,387.61 = 6,600.98 : x
  2. Step 2: Convert to fraction form
    21,590.48/32,387.61 = 6,600.98/x
  3. Step 3: Cross multiply
    21,590.48x = 32,387.61 × 6,600.98
  4. Step 4: Simplify right side
    21,590.48x = 213,789,965.86
  5. Step 5: Solve for x
    x = 213,789,965.86/21,590.48
  6. Step 6: Final answer
    x = 9,902.05

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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.