Home / 19,661.46-27,131.88-10,708.92

Finding the Fourth Proportional to 19,661.46, 27,131.88 and 10,708.92

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Solution

The fourth proportional to 19,661.46, 27,131.88 and 10,708.92 is: 14,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.46 : 27,131.88 = 10,708.92 : x
  2. Step 2: Convert to fraction form
    19,661.46/27,131.88 = 10,708.92/x
  3. Step 3: Cross multiply
    19,661.46x = 27,131.88 × 10,708.92
  4. Step 4: Simplify right side
    19,661.46x = 290,553,132.37
  5. Step 5: Solve for x
    x = 290,553,132.37/19,661.46
  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.