Home / 19,660.56-27,131.43-10,708.04

Finding the Fourth Proportional to 19,660.56, 27,131.43 and 10,708.04

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Solution

The fourth proportional to 19,660.56, 27,131.43 and 10,708.04 is: 14,777.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.56 : 27,131.43 = 10,708.04 : x
  2. Step 2: Convert to fraction form
    19,660.56/27,131.43 = 10,708.04/x
  3. Step 3: Cross multiply
    19,660.56x = 27,131.43 × 10,708.04
  4. Step 4: Simplify right side
    19,660.56x = 290,524,342.20
  5. Step 5: Solve for x
    x = 290,524,342.20/19,660.56
  6. Step 6: Final answer
    x = 14,777.01

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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.