Home / 21,581.15-32,371.80-5,998.76

Finding the Fourth Proportional to 21,581.15, 32,371.80 and 5,998.76

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Solution

The fourth proportional to 21,581.15, 32,371.80 and 5,998.76 is: 8,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.15 : 32,371.80 = 5,998.76 : x
  2. Step 2: Convert to fraction form
    21,581.15/32,371.80 = 5,998.76/x
  3. Step 3: Cross multiply
    21,581.15x = 32,371.80 × 5,998.76
  4. Step 4: Simplify right side
    21,581.15x = 194,190,658.97
  5. Step 5: Solve for x
    x = 194,190,658.97/21,581.15
  6. Step 6: Final answer
    x = 8,998.16

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1.5x scale

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.