Home / 21,679.60-32,521.58-5,884.88

Finding the Fourth Proportional to 21,679.60, 32,521.58 and 5,884.88

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Solution

The fourth proportional to 21,679.60, 32,521.58 and 5,884.88 is: 8,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,679.60 : 32,521.58 = 5,884.88 : x
  2. Step 2: Convert to fraction form
    21,679.60/32,521.58 = 5,884.88/x
  3. Step 3: Cross multiply
    21,679.60x = 32,521.58 × 5,884.88
  4. Step 4: Simplify right side
    21,679.60x = 191,385,500.66
  5. Step 5: Solve for x
    x = 191,385,500.66/21,679.60
  6. Step 6: Final answer
    x = 8,827.91

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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.