Home / 15,222.18-22,821.52-9,663.96

Finding the Fourth Proportional to 15,222.18, 22,821.52 and 9,663.96

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Solution

The fourth proportional to 15,222.18, 22,821.52 and 9,663.96 is: 14,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,222.18 : 22,821.52 = 9,663.96 : x
  2. Step 2: Convert to fraction form
    15,222.18/22,821.52 = 9,663.96/x
  3. Step 3: Cross multiply
    15,222.18x = 22,821.52 × 9,663.96
  4. Step 4: Simplify right side
    15,222.18x = 220,546,256.42
  5. Step 5: Solve for x
    x = 220,546,256.42/15,222.18
  6. Step 6: Final answer
    x = 14,488.48

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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.