Home / 25,516.56-38,265.48-8,872.08

Finding the Fourth Proportional to 25,516.56, 38,265.48 and 8,872.08

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Solution

The fourth proportional to 25,516.56, 38,265.48 and 8,872.08 is: 13,304.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,516.56 : 38,265.48 = 8,872.08 : x
  2. Step 2: Convert to fraction form
    25,516.56/38,265.48 = 8,872.08/x
  3. Step 3: Cross multiply
    25,516.56x = 38,265.48 × 8,872.08
  4. Step 4: Simplify right side
    25,516.56x = 339,494,399.80
  5. Step 5: Solve for x
    x = 339,494,399.80/25,516.56
  6. Step 6: Final answer
    x = 13,304.87

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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.