Home / 15,209.34-22,814.82-4,821.90

Finding the Fourth Proportional to 15,209.34, 22,814.82 and 4,821.90

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Solution

The fourth proportional to 15,209.34, 22,814.82 and 4,821.90 is: 7,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,209.34 : 22,814.82 = 4,821.90 : x
  2. Step 2: Convert to fraction form
    15,209.34/22,814.82 = 4,821.90/x
  3. Step 3: Cross multiply
    15,209.34x = 22,814.82 × 4,821.90
  4. Step 4: Simplify right side
    15,209.34x = 110,010,780.56
  5. Step 5: Solve for x
    x = 110,010,780.56/15,209.34
  6. Step 6: Final answer
    x = 7,233.11

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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.