Home / 25,475.42-38,172.68-17,124.72

Finding the Fourth Proportional to 25,475.42, 38,172.68 and 17,124.72

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Solution

The fourth proportional to 25,475.42, 38,172.68 and 17,124.72 is: 25,659.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,475.42 : 38,172.68 = 17,124.72 : x
  2. Step 2: Convert to fraction form
    25,475.42/38,172.68 = 17,124.72/x
  3. Step 3: Cross multiply
    25,475.42x = 38,172.68 × 17,124.72
  4. Step 4: Simplify right side
    25,475.42x = 653,696,456.65
  5. Step 5: Solve for x
    x = 653,696,456.65/25,475.42
  6. Step 6: Final answer
    x = 25,659.89

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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.