Home / 25,462.80-38,180.61-8,818.56

Finding the Fourth Proportional to 25,462.80, 38,180.61 and 8,818.56

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Solution

The fourth proportional to 25,462.80, 38,180.61 and 8,818.56 is: 13,223.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,462.80 : 38,180.61 = 8,818.56 : x
  2. Step 2: Convert to fraction form
    25,462.80/38,180.61 = 8,818.56/x
  3. Step 3: Cross multiply
    25,462.80x = 38,180.61 × 8,818.56
  4. Step 4: Simplify right side
    25,462.80x = 336,698,000.12
  5. Step 5: Solve for x
    x = 336,698,000.12/25,462.80
  6. Step 6: Final answer
    x = 13,223.13

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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.