Home / 18,472.32-25,485.54-10,512.60

Finding the Fourth Proportional to 18,472.32, 25,485.54 and 10,512.60

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Solution

The fourth proportional to 18,472.32, 25,485.54 and 10,512.60 is: 14,503.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.32 : 25,485.54 = 10,512.60 : x
  2. Step 2: Convert to fraction form
    18,472.32/25,485.54 = 10,512.60/x
  3. Step 3: Cross multiply
    18,472.32x = 25,485.54 × 10,512.60
  4. Step 4: Simplify right side
    18,472.32x = 267,919,287.80
  5. Step 5: Solve for x
    x = 267,919,287.80/18,472.32
  6. Step 6: Final answer
    x = 14,503.82

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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.