Home / 25,748.08-38,626.30-7,974.59

Finding the Fourth Proportional to 25,748.08, 38,626.30 and 7,974.59

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Solution

The fourth proportional to 25,748.08, 38,626.30 and 7,974.59 is: 11,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,748.08 : 38,626.30 = 7,974.59 : x
  2. Step 2: Convert to fraction form
    25,748.08/38,626.30 = 7,974.59/x
  3. Step 3: Cross multiply
    25,748.08x = 38,626.30 × 7,974.59
  4. Step 4: Simplify right side
    25,748.08x = 308,028,722.55
  5. Step 5: Solve for x
    x = 308,028,722.55/25,748.08
  6. Step 6: Final answer
    x = 11,963.17

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1.5x scale

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.