Home / 19,011.56-28,517.36-10,301.85

Finding the Fourth Proportional to 19,011.56, 28,517.36 and 10,301.85

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Solution

The fourth proportional to 19,011.56, 28,517.36 and 10,301.85 is: 15,452.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,011.56 : 28,517.36 = 10,301.85 : x
  2. Step 2: Convert to fraction form
    19,011.56/28,517.36 = 10,301.85/x
  3. Step 3: Cross multiply
    19,011.56x = 28,517.36 × 10,301.85
  4. Step 4: Simplify right side
    19,011.56x = 293,781,513.61
  5. Step 5: Solve for x
    x = 293,781,513.61/19,011.56
  6. Step 6: Final answer
    x = 15,452.79

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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.