Home / 28,912.68-43,342.36-10,182.48

Finding the Fourth Proportional to 28,912.68, 43,342.36 and 10,182.48

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Solution

The fourth proportional to 28,912.68, 43,342.36 and 10,182.48 is: 15,264.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912.68 : 43,342.36 = 10,182.48 : x
  2. Step 2: Convert to fraction form
    28,912.68/43,342.36 = 10,182.48/x
  3. Step 3: Cross multiply
    28,912.68x = 43,342.36 × 10,182.48
  4. Step 4: Simplify right side
    28,912.68x = 441,332,713.85
  5. Step 5: Solve for x
    x = 441,332,713.85/28,912.68
  6. Step 6: Final answer
    x = 15,264.33

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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.