Home / 12,371.23-18,535.24-10,304.52

Finding the Fourth Proportional to 12,371.23, 18,535.24 and 10,304.52

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Solution

The fourth proportional to 12,371.23, 18,535.24 and 10,304.52 is: 15,438.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,371.23 : 18,535.24 = 10,304.52 : x
  2. Step 2: Convert to fraction form
    12,371.23/18,535.24 = 10,304.52/x
  3. Step 3: Cross multiply
    12,371.23x = 18,535.24 × 10,304.52
  4. Step 4: Simplify right side
    12,371.23x = 190,996,751.28
  5. Step 5: Solve for x
    x = 190,996,751.28/12,371.23
  6. Step 6: Final answer
    x = 15,438.78

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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.