Home / 15,722.25-23,553.65-9,291.65

Finding the Fourth Proportional to 15,722.25, 23,553.65 and 9,291.65

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Solution

The fourth proportional to 15,722.25, 23,553.65 and 9,291.65 is: 13,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,722.25 : 23,553.65 = 9,291.65 : x
  2. Step 2: Convert to fraction form
    15,722.25/23,553.65 = 9,291.65/x
  3. Step 3: Cross multiply
    15,722.25x = 23,553.65 × 9,291.65
  4. Step 4: Simplify right side
    15,722.25x = 218,852,107.80
  5. Step 5: Solve for x
    x = 218,852,107.80/15,722.25
  6. Step 6: Final answer
    x = 13,919.90

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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.