Home / 25,359.40-37,966.20-15,517.90

Finding the Fourth Proportional to 25,359.40, 37,966.20 and 15,517.90

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Solution

The fourth proportional to 25,359.40, 37,966.20 and 15,517.90 is: 23,232.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,359.40 : 37,966.20 = 15,517.90 : x
  2. Step 2: Convert to fraction form
    25,359.40/37,966.20 = 15,517.90/x
  3. Step 3: Cross multiply
    25,359.40x = 37,966.20 × 15,517.90
  4. Step 4: Simplify right side
    25,359.40x = 589,155,694.98
  5. Step 5: Solve for x
    x = 589,155,694.98/25,359.40
  6. Step 6: Final answer
    x = 23,232.24

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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.