Home / 25,812.88-38,719.20-17,045.70

Finding the Fourth Proportional to 25,812.88, 38,719.20 and 17,045.70

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Solution

The fourth proportional to 25,812.88, 38,719.20 and 17,045.70 is: 25,568.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.88 : 38,719.20 = 17,045.70 : x
  2. Step 2: Convert to fraction form
    25,812.88/38,719.20 = 17,045.70/x
  3. Step 3: Cross multiply
    25,812.88x = 38,719.20 × 17,045.70
  4. Step 4: Simplify right side
    25,812.88x = 659,995,867.44
  5. Step 5: Solve for x
    x = 659,995,867.44/25,812.88
  6. Step 6: Final answer
    x = 25,568.47

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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.