Home / 25,446.12-38,171.05-7,675.38

Finding the Fourth Proportional to 25,446.12, 38,171.05 and 7,675.38

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Solution

The fourth proportional to 25,446.12, 38,171.05 and 7,675.38 is: 11,513.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,446.12 : 38,171.05 = 7,675.38 : x
  2. Step 2: Convert to fraction form
    25,446.12/38,171.05 = 7,675.38/x
  3. Step 3: Cross multiply
    25,446.12x = 38,171.05 × 7,675.38
  4. Step 4: Simplify right side
    25,446.12x = 292,977,401.92
  5. Step 5: Solve for x
    x = 292,977,401.92/25,446.12
  6. Step 6: Final answer
    x = 11,513.64

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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.