Home / 15,825.38-23,740.36-5,292.26

Finding the Fourth Proportional to 15,825.38, 23,740.36 and 5,292.26

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Solution

The fourth proportional to 15,825.38, 23,740.36 and 5,292.26 is: 7,939.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.38 : 23,740.36 = 5,292.26 : x
  2. Step 2: Convert to fraction form
    15,825.38/23,740.36 = 5,292.26/x
  3. Step 3: Cross multiply
    15,825.38x = 23,740.36 × 5,292.26
  4. Step 4: Simplify right side
    15,825.38x = 125,640,114.71
  5. Step 5: Solve for x
    x = 125,640,114.71/15,825.38
  6. Step 6: Final answer
    x = 7,939.16

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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.