Home / 19,660.87-27,132.36-10,708.41

Finding the Fourth Proportional to 19,660.87, 27,132.36 and 10,708.41

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Solution

The fourth proportional to 19,660.87, 27,132.36 and 10,708.41 is: 14,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.87 : 27,132.36 = 10,708.41 : x
  2. Step 2: Convert to fraction form
    19,660.87/27,132.36 = 10,708.41/x
  3. Step 3: Cross multiply
    19,660.87x = 27,132.36 × 10,708.41
  4. Step 4: Simplify right side
    19,660.87x = 290,544,435.15
  5. Step 5: Solve for x
    x = 290,544,435.15/19,660.87
  6. Step 6: Final answer
    x = 14,777.80

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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.