Home / 25,625.11-38,443.38-7,858.24

Finding the Fourth Proportional to 25,625.11, 38,443.38 and 7,858.24

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Solution

The fourth proportional to 25,625.11, 38,443.38 and 7,858.24 is: 11,789.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,625.11 : 38,443.38 = 7,858.24 : x
  2. Step 2: Convert to fraction form
    25,625.11/38,443.38 = 7,858.24/x
  3. Step 3: Cross multiply
    25,625.11x = 38,443.38 × 7,858.24
  4. Step 4: Simplify right side
    25,625.11x = 302,097,306.45
  5. Step 5: Solve for x
    x = 302,097,306.45/25,625.11
  6. Step 6: Final answer
    x = 11,789.11

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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.