Home / 25,251.13-37,876.70-7,720.96

Finding the Fourth Proportional to 25,251.13, 37,876.70 and 7,720.96

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Solution

The fourth proportional to 25,251.13, 37,876.70 and 7,720.96 is: 11,581.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,251.13 : 37,876.70 = 7,720.96 : x
  2. Step 2: Convert to fraction form
    25,251.13/37,876.70 = 7,720.96/x
  3. Step 3: Cross multiply
    25,251.13x = 37,876.70 × 7,720.96
  4. Step 4: Simplify right side
    25,251.13x = 292,444,485.63
  5. Step 5: Solve for x
    x = 292,444,485.63/25,251.13
  6. Step 6: Final answer
    x = 11,581.44

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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.