Home / 25,420.49-38,094.42-11,171.92

Finding the Fourth Proportional to 25,420.49, 38,094.42 and 11,171.92

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Solution

The fourth proportional to 25,420.49, 38,094.42 and 11,171.92 is: 16,741.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,420.49 : 38,094.42 = 11,171.92 : x
  2. Step 2: Convert to fraction form
    25,420.49/38,094.42 = 11,171.92/x
  3. Step 3: Cross multiply
    25,420.49x = 38,094.42 × 11,171.92
  4. Step 4: Simplify right side
    25,420.49x = 425,587,812.69
  5. Step 5: Solve for x
    x = 425,587,812.69/25,420.49
  6. Step 6: Final answer
    x = 16,741.92

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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.