Home / 25,232.89-34,819.71-15,161.75

Finding the Fourth Proportional to 25,232.89, 34,819.71 and 15,161.75

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Solution

The fourth proportional to 25,232.89, 34,819.71 and 15,161.75 is: 20,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,232.89 : 34,819.71 = 15,161.75 : x
  2. Step 2: Convert to fraction form
    25,232.89/34,819.71 = 15,161.75/x
  3. Step 3: Cross multiply
    25,232.89x = 34,819.71 × 15,161.75
  4. Step 4: Simplify right side
    25,232.89x = 527,927,738.09
  5. Step 5: Solve for x
    x = 527,927,738.09/25,232.89
  6. Step 6: Final answer
    x = 20,922.21

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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.