Home / 19,722.38-29,590.85-10,362.02

Finding the Fourth Proportional to 19,722.38, 29,590.85 and 10,362.02

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Solution

The fourth proportional to 19,722.38, 29,590.85 and 10,362.02 is: 15,546.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.38 : 29,590.85 = 10,362.02 : x
  2. Step 2: Convert to fraction form
    19,722.38/29,590.85 = 10,362.02/x
  3. Step 3: Cross multiply
    19,722.38x = 29,590.85 × 10,362.02
  4. Step 4: Simplify right side
    19,722.38x = 306,620,857.47
  5. Step 5: Solve for x
    x = 306,620,857.47/19,722.38
  6. Step 6: Final answer
    x = 15,546.85

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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.