Home / 19,660.70-27,132.24-10,708.68

Finding the Fourth Proportional to 19,660.70, 27,132.24 and 10,708.68

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Solution

The fourth proportional to 19,660.70, 27,132.24 and 10,708.68 is: 14,778.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.70 : 27,132.24 = 10,708.68 : x
  2. Step 2: Convert to fraction form
    19,660.70/27,132.24 = 10,708.68/x
  3. Step 3: Cross multiply
    19,660.70x = 27,132.24 × 10,708.68
  4. Step 4: Simplify right side
    19,660.70x = 290,550,475.84
  5. Step 5: Solve for x
    x = 290,550,475.84/19,660.70
  6. Step 6: Final answer
    x = 14,778.24

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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.