Home / 15,996.30-22,074.44-8,922.57

Finding the Fourth Proportional to 15,996.30, 22,074.44 and 8,922.57

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Solution

The fourth proportional to 15,996.30, 22,074.44 and 8,922.57 is: 12,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,996.30 : 22,074.44 = 8,922.57 : x
  2. Step 2: Convert to fraction form
    15,996.30/22,074.44 = 8,922.57/x
  3. Step 3: Cross multiply
    15,996.30x = 22,074.44 × 8,922.57
  4. Step 4: Simplify right side
    15,996.30x = 196,960,691.50
  5. Step 5: Solve for x
    x = 196,960,691.50/15,996.30
  6. Step 6: Final answer
    x = 12,312.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.