Home / 19,661.42-27,131.87-10,708.38

Finding the Fourth Proportional to 19,661.42, 27,131.87 and 10,708.38

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Solution

The fourth proportional to 19,661.42, 27,131.87 and 10,708.38 is: 14,777.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,661.42 : 27,131.87 = 10,708.38 : x
  2. Step 2: Convert to fraction form
    19,661.42/27,131.87 = 10,708.38/x
  3. Step 3: Cross multiply
    19,661.42x = 27,131.87 × 10,708.38
  4. Step 4: Simplify right side
    19,661.42x = 290,538,320.53
  5. Step 5: Solve for x
    x = 290,538,320.53/19,661.42
  6. Step 6: Final answer
    x = 14,777.08

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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.