Home / 25,500.31-38,223.12-12,334.57

Finding the Fourth Proportional to 25,500.31, 38,223.12 and 12,334.57

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Solution

The fourth proportional to 25,500.31, 38,223.12 and 12,334.57 is: 18,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.31 : 38,223.12 = 12,334.57 : x
  2. Step 2: Convert to fraction form
    25,500.31/38,223.12 = 12,334.57/x
  3. Step 3: Cross multiply
    25,500.31x = 38,223.12 × 12,334.57
  4. Step 4: Simplify right side
    25,500.31x = 471,465,749.26
  5. Step 5: Solve for x
    x = 471,465,749.26/25,500.31
  6. Step 6: Final answer
    x = 18,488.63

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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.