Home / 20,033.61-30,040.98-11,716.17

Finding the Fourth Proportional to 20,033.61, 30,040.98 and 11,716.17

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Solution

The fourth proportional to 20,033.61, 30,040.98 and 11,716.17 is: 17,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.61 : 30,040.98 = 11,716.17 : x
  2. Step 2: Convert to fraction form
    20,033.61/30,040.98 = 11,716.17/x
  3. Step 3: Cross multiply
    20,033.61x = 30,040.98 × 11,716.17
  4. Step 4: Simplify right side
    20,033.61x = 351,965,228.65
  5. Step 5: Solve for x
    x = 351,965,228.65/20,033.61
  6. Step 6: Final answer
    x = 17,568.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.