Home / 15,922.62-21,973.22-8,849.04

Finding the Fourth Proportional to 15,922.62, 21,973.22 and 8,849.04

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Solution

The fourth proportional to 15,922.62, 21,973.22 and 8,849.04 is: 12,211.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.62 : 21,973.22 = 8,849.04 : x
  2. Step 2: Convert to fraction form
    15,922.62/21,973.22 = 8,849.04/x
  3. Step 3: Cross multiply
    15,922.62x = 21,973.22 × 8,849.04
  4. Step 4: Simplify right side
    15,922.62x = 194,441,920.82
  5. Step 5: Solve for x
    x = 194,441,920.82/15,922.62
  6. Step 6: Final answer
    x = 12,211.68

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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.