Home / 25,455.38-38,183.13-7,925.22

Finding the Fourth Proportional to 25,455.38, 38,183.13 and 7,925.22

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Solution

The fourth proportional to 25,455.38, 38,183.13 and 7,925.22 is: 11,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,455.38 : 38,183.13 = 7,925.22 : x
  2. Step 2: Convert to fraction form
    25,455.38/38,183.13 = 7,925.22/x
  3. Step 3: Cross multiply
    25,455.38x = 38,183.13 × 7,925.22
  4. Step 4: Simplify right side
    25,455.38x = 302,609,705.54
  5. Step 5: Solve for x
    x = 302,609,705.54/25,455.38
  6. Step 6: Final answer
    x = 11,887.85

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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.