Home / 12,471.57-18,747.45-10,033.47

Finding the Fourth Proportional to 12,471.57, 18,747.45 and 10,033.47

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Solution

The fourth proportional to 12,471.57, 18,747.45 and 10,033.47 is: 15,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.57 : 18,747.45 = 10,033.47 : x
  2. Step 2: Convert to fraction form
    12,471.57/18,747.45 = 10,033.47/x
  3. Step 3: Cross multiply
    12,471.57x = 18,747.45 × 10,033.47
  4. Step 4: Simplify right side
    12,471.57x = 188,101,977.15
  5. Step 5: Solve for x
    x = 188,101,977.15/12,471.57
  6. Step 6: Final answer
    x = 15,082.46

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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.