Home / 18,472.25-25,485.38-10,512.48

Finding the Fourth Proportional to 18,472.25, 25,485.38 and 10,512.48

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Solution

The fourth proportional to 18,472.25, 25,485.38 and 10,512.48 is: 14,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.25 : 25,485.38 = 10,512.48 : x
  2. Step 2: Convert to fraction form
    18,472.25/25,485.38 = 10,512.48/x
  3. Step 3: Cross multiply
    18,472.25x = 25,485.38 × 10,512.48
  4. Step 4: Simplify right side
    18,472.25x = 267,914,689.10
  5. Step 5: Solve for x
    x = 267,914,689.10/18,472.25
  6. Step 6: Final answer
    x = 14,503.63

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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.