Home / 25,250.94-37,876.50-7,720.70

Finding the Fourth Proportional to 25,250.94, 37,876.50 and 7,720.70

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Solution

The fourth proportional to 25,250.94, 37,876.50 and 7,720.70 is: 11,581.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,250.94 : 37,876.50 = 7,720.70 : x
  2. Step 2: Convert to fraction form
    25,250.94/37,876.50 = 7,720.70/x
  3. Step 3: Cross multiply
    25,250.94x = 37,876.50 × 7,720.70
  4. Step 4: Simplify right side
    25,250.94x = 292,432,904.17
  5. Step 5: Solve for x
    x = 292,432,904.17/25,250.94
  6. Step 6: Final answer
    x = 11,581.07

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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.