Home / 19,660.92-27,132.18-10,708.40

Finding the Fourth Proportional to 19,660.92, 27,132.18 and 10,708.40

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Solution

The fourth proportional to 19,660.92, 27,132.18 and 10,708.40 is: 14,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.92 : 27,132.18 = 10,708.40 : x
  2. Step 2: Convert to fraction form
    19,660.92/27,132.18 = 10,708.40/x
  3. Step 3: Cross multiply
    19,660.92x = 27,132.18 × 10,708.40
  4. Step 4: Simplify right side
    19,660.92x = 290,542,236.31
  5. Step 5: Solve for x
    x = 290,542,236.31/19,660.92
  6. Step 6: Final answer
    x = 14,777.65

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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.