Home / 25,736.92-35,517.61-15,127.12

Finding the Fourth Proportional to 25,736.92, 35,517.61 and 15,127.12

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Solution

The fourth proportional to 25,736.92, 35,517.61 and 15,127.12 is: 20,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,736.92 : 35,517.61 = 15,127.12 : x
  2. Step 2: Convert to fraction form
    25,736.92/35,517.61 = 15,127.12/x
  3. Step 3: Cross multiply
    25,736.92x = 35,517.61 × 15,127.12
  4. Step 4: Simplify right side
    25,736.92x = 537,279,148.58
  5. Step 5: Solve for x
    x = 537,279,148.58/25,736.92
  6. Step 6: Final answer
    x = 20,875.81

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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.