Home / 18,470.80-25,487.84-10,512.56

Finding the Fourth Proportional to 18,470.80, 25,487.84 and 10,512.56

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Solution

The fourth proportional to 18,470.80, 25,487.84 and 10,512.56 is: 14,506.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,470.80 : 25,487.84 = 10,512.56 : x
  2. Step 2: Convert to fraction form
    18,470.80/25,487.84 = 10,512.56/x
  3. Step 3: Cross multiply
    18,470.80x = 25,487.84 × 10,512.56
  4. Step 4: Simplify right side
    18,470.80x = 267,942,447.27
  5. Step 5: Solve for x
    x = 267,942,447.27/18,470.80
  6. Step 6: Final answer
    x = 14,506.27

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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.