Home / 22,568.71-31,131.25-16,615.75

Finding the Fourth Proportional to 22,568.71, 31,131.25 and 16,615.75

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Solution

The fourth proportional to 22,568.71, 31,131.25 and 16,615.75 is: 22,919.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,568.71 : 31,131.25 = 16,615.75 : x
  2. Step 2: Convert to fraction form
    22,568.71/31,131.25 = 16,615.75/x
  3. Step 3: Cross multiply
    22,568.71x = 31,131.25 × 16,615.75
  4. Step 4: Simplify right side
    22,568.71x = 517,269,067.19
  5. Step 5: Solve for x
    x = 517,269,067.19/22,568.71
  6. Step 6: Final answer
    x = 22,919.74

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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.