Home / 25,519.28-38,284.44-7,748.48

Finding the Fourth Proportional to 25,519.28, 38,284.44 and 7,748.48

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Solution

The fourth proportional to 25,519.28, 38,284.44 and 7,748.48 is: 11,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,519.28 : 38,284.44 = 7,748.48 : x
  2. Step 2: Convert to fraction form
    25,519.28/38,284.44 = 7,748.48/x
  3. Step 3: Cross multiply
    25,519.28x = 38,284.44 × 7,748.48
  4. Step 4: Simplify right side
    25,519.28x = 296,646,217.65
  5. Step 5: Solve for x
    x = 296,646,217.65/25,519.28
  6. Step 6: Final answer
    x = 11,624.40

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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.