Home / 19,434.75-26,819.65-10,936.20

Finding the Fourth Proportional to 19,434.75, 26,819.65 and 10,936.20

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Solution

The fourth proportional to 19,434.75, 26,819.65 and 10,936.20 is: 15,091.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.75 : 26,819.65 = 10,936.20 : x
  2. Step 2: Convert to fraction form
    19,434.75/26,819.65 = 10,936.20/x
  3. Step 3: Cross multiply
    19,434.75x = 26,819.65 × 10,936.20
  4. Step 4: Simplify right side
    19,434.75x = 293,305,170.57
  5. Step 5: Solve for x
    x = 293,305,170.57/19,434.75
  6. Step 6: Final answer
    x = 15,091.79

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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.