Home / 25,171.71-34,734.16-15,100.57

Finding the Fourth Proportional to 25,171.71, 34,734.16 and 15,100.57

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Solution

The fourth proportional to 25,171.71, 34,734.16 and 15,100.57 is: 20,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,171.71 : 34,734.16 = 15,100.57 : x
  2. Step 2: Convert to fraction form
    25,171.71/34,734.16 = 15,100.57/x
  3. Step 3: Cross multiply
    25,171.71x = 34,734.16 × 15,100.57
  4. Step 4: Simplify right side
    25,171.71x = 524,505,614.47
  5. Step 5: Solve for x
    x = 524,505,614.47/25,171.71
  6. Step 6: Final answer
    x = 20,837.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.