Home / 22,119.46-30,568.21-19,659.08

Finding the Fourth Proportional to 22,119.46, 30,568.21 and 19,659.08

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Solution

The fourth proportional to 22,119.46, 30,568.21 and 19,659.08 is: 27,168.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,119.46 : 30,568.21 = 19,659.08 : x
  2. Step 2: Convert to fraction form
    22,119.46/30,568.21 = 19,659.08/x
  3. Step 3: Cross multiply
    22,119.46x = 30,568.21 × 19,659.08
  4. Step 4: Simplify right side
    22,119.46x = 600,942,913.12
  5. Step 5: Solve for x
    x = 600,942,913.12/22,119.46
  6. Step 6: Final answer
    x = 27,168.07

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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.