Home / 19,372.92-26,734.38-11,415.48

Finding the Fourth Proportional to 19,372.92, 26,734.38 and 11,415.48

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Solution

The fourth proportional to 19,372.92, 26,734.38 and 11,415.48 is: 15,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.92 : 26,734.38 = 11,415.48 : x
  2. Step 2: Convert to fraction form
    19,372.92/26,734.38 = 11,415.48/x
  3. Step 3: Cross multiply
    19,372.92x = 26,734.38 × 11,415.48
  4. Step 4: Simplify right side
    19,372.92x = 305,185,780.20
  5. Step 5: Solve for x
    x = 305,185,780.20/19,372.92
  6. Step 6: Final answer
    x = 15,753.22

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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.