Home / 25,250.13-37,875.20-7,719.96

Finding the Fourth Proportional to 25,250.13, 37,875.20 and 7,719.96

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Solution

The fourth proportional to 25,250.13, 37,875.20 and 7,719.96 is: 11,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.13 : 37,875.20 = 7,719.96 : x
  2. Step 2: Convert to fraction form
    25,250.13/37,875.20 = 7,719.96/x
  3. Step 3: Cross multiply
    25,250.13x = 37,875.20 × 7,719.96
  4. Step 4: Simplify right side
    25,250.13x = 292,394,919.38
  5. Step 5: Solve for x
    x = 292,394,919.38/25,250.13
  6. Step 6: Final answer
    x = 11,579.94

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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.