Home / 21,581.17-32,374.49-5,998.79

Finding the Fourth Proportional to 21,581.17, 32,374.49 and 5,998.79

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Solution

The fourth proportional to 21,581.17, 32,374.49 and 5,998.79 is: 8,998.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.17 : 32,374.49 = 5,998.79 : x
  2. Step 2: Convert to fraction form
    21,581.17/32,374.49 = 5,998.79/x
  3. Step 3: Cross multiply
    21,581.17x = 32,374.49 × 5,998.79
  4. Step 4: Simplify right side
    21,581.17x = 194,207,817.81
  5. Step 5: Solve for x
    x = 194,207,817.81/21,581.17
  6. Step 6: Final answer
    x = 8,998.95

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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.