Home / 19,633.68-27,087.24-12,923.16

Finding the Fourth Proportional to 19,633.68, 27,087.24 and 12,923.16

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Solution

The fourth proportional to 19,633.68, 27,087.24 and 12,923.16 is: 17,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.68 : 27,087.24 = 12,923.16 : x
  2. Step 2: Convert to fraction form
    19,633.68/27,087.24 = 12,923.16/x
  3. Step 3: Cross multiply
    19,633.68x = 27,087.24 × 12,923.16
  4. Step 4: Simplify right side
    19,633.68x = 350,052,736.48
  5. Step 5: Solve for x
    x = 350,052,736.48/19,633.68
  6. Step 6: Final answer
    x = 17,829.20

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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.