Home / 17,191.65-23,719.26-11,132.31

Finding the Fourth Proportional to 17,191.65, 23,719.26 and 11,132.31

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Solution

The fourth proportional to 17,191.65, 23,719.26 and 11,132.31 is: 15,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.65 : 23,719.26 = 11,132.31 : x
  2. Step 2: Convert to fraction form
    17,191.65/23,719.26 = 11,132.31/x
  3. Step 3: Cross multiply
    17,191.65x = 23,719.26 × 11,132.31
  4. Step 4: Simplify right side
    17,191.65x = 264,050,155.29
  5. Step 5: Solve for x
    x = 264,050,155.29/17,191.65
  6. Step 6: Final answer
    x = 15,359.21

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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.