Home / 19,661.14-27,132.42-10,708.69

Finding the Fourth Proportional to 19,661.14, 27,132.42 and 10,708.69

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Solution

The fourth proportional to 19,661.14, 27,132.42 and 10,708.69 is: 14,778.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.14 : 27,132.42 = 10,708.69 : x
  2. Step 2: Convert to fraction form
    19,661.14/27,132.42 = 10,708.69/x
  3. Step 3: Cross multiply
    19,661.14x = 27,132.42 × 10,708.69
  4. Step 4: Simplify right side
    19,661.14x = 290,552,674.73
  5. Step 5: Solve for x
    x = 290,552,674.73/19,661.14
  6. Step 6: Final answer
    x = 14,778.02

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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.