Home / 25,383.16-38,077.17-8,740.90

Finding the Fourth Proportional to 25,383.16, 38,077.17 and 8,740.90

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Solution

The fourth proportional to 25,383.16, 38,077.17 and 8,740.90 is: 13,112.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,383.16 : 38,077.17 = 8,740.90 : x
  2. Step 2: Convert to fraction form
    25,383.16/38,077.17 = 8,740.90/x
  3. Step 3: Cross multiply
    25,383.16x = 38,077.17 × 8,740.90
  4. Step 4: Simplify right side
    25,383.16x = 332,828,735.25
  5. Step 5: Solve for x
    x = 332,828,735.25/25,383.16
  6. Step 6: Final answer
    x = 13,112.19

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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.