Home / 21,934.20-32,899.26-6,140.66

Finding the Fourth Proportional to 21,934.20, 32,899.26 and 6,140.66

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Solution

The fourth proportional to 21,934.20, 32,899.26 and 6,140.66 is: 9,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,934.20 : 32,899.26 = 6,140.66 : x
  2. Step 2: Convert to fraction form
    21,934.20/32,899.26 = 6,140.66/x
  3. Step 3: Cross multiply
    21,934.20x = 32,899.26 × 6,140.66
  4. Step 4: Simplify right side
    21,934.20x = 202,023,169.91
  5. Step 5: Solve for x
    x = 202,023,169.91/21,934.20
  6. Step 6: Final answer
    x = 9,210.42

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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.