Home / 15,891.26-23,839.10-5,364.29

Finding the Fourth Proportional to 15,891.26, 23,839.10 and 5,364.29

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Solution

The fourth proportional to 15,891.26, 23,839.10 and 5,364.29 is: 8,047.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,891.26 : 23,839.10 = 5,364.29 : x
  2. Step 2: Convert to fraction form
    15,891.26/23,839.10 = 5,364.29/x
  3. Step 3: Cross multiply
    15,891.26x = 23,839.10 × 5,364.29
  4. Step 4: Simplify right side
    15,891.26x = 127,879,699.72
  5. Step 5: Solve for x
    x = 127,879,699.72/15,891.26
  6. Step 6: Final answer
    x = 8,047.17

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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.