Home / 18,836.52-25,995.42-10,453.20

Finding the Fourth Proportional to 18,836.52, 25,995.42 and 10,453.20

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Solution

The fourth proportional to 18,836.52, 25,995.42 and 10,453.20 is: 14,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,836.52 : 25,995.42 = 10,453.20 : x
  2. Step 2: Convert to fraction form
    18,836.52/25,995.42 = 10,453.20/x
  3. Step 3: Cross multiply
    18,836.52x = 25,995.42 × 10,453.20
  4. Step 4: Simplify right side
    18,836.52x = 271,735,324.34
  5. Step 5: Solve for x
    x = 271,735,324.34/18,836.52
  6. Step 6: Final answer
    x = 14,425.98

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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.