Home / 19,753.12-27,259.33-11,254.87

Finding the Fourth Proportional to 19,753.12, 27,259.33 and 11,254.87

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Solution

The fourth proportional to 19,753.12, 27,259.33 and 11,254.87 is: 15,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.12 : 27,259.33 = 11,254.87 : x
  2. Step 2: Convert to fraction form
    19,753.12/27,259.33 = 11,254.87/x
  3. Step 3: Cross multiply
    19,753.12x = 27,259.33 × 11,254.87
  4. Step 4: Simplify right side
    19,753.12x = 306,800,215.44
  5. Step 5: Solve for x
    x = 306,800,215.44/19,753.12
  6. Step 6: Final answer
    x = 15,531.73

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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.