Home / 21,988.10-32,982.15-6,193.10

Finding the Fourth Proportional to 21,988.10, 32,982.15 and 6,193.10

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Solution

The fourth proportional to 21,988.10, 32,982.15 and 6,193.10 is: 9,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,988.10 : 32,982.15 = 6,193.10 : x
  2. Step 2: Convert to fraction form
    21,988.10/32,982.15 = 6,193.10/x
  3. Step 3: Cross multiply
    21,988.10x = 32,982.15 × 6,193.10
  4. Step 4: Simplify right side
    21,988.10x = 204,261,753.17
  5. Step 5: Solve for x
    x = 204,261,753.17/21,988.10
  6. Step 6: Final answer
    x = 9,289.65

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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.