Home / 15,984.20-23,988.54-11,294.12

Finding the Fourth Proportional to 15,984.20, 23,988.54 and 11,294.12

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Solution

The fourth proportional to 15,984.20, 23,988.54 and 11,294.12 is: 16,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,984.20 : 23,988.54 = 11,294.12 : x
  2. Step 2: Convert to fraction form
    15,984.20/23,988.54 = 11,294.12/x
  3. Step 3: Cross multiply
    15,984.20x = 23,988.54 × 11,294.12
  4. Step 4: Simplify right side
    15,984.20x = 270,929,449.38
  5. Step 5: Solve for x
    x = 270,929,449.38/15,984.20
  6. Step 6: Final answer
    x = 16,949.83

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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.