Home / 22,176.40-33,257.40-7,382.80

Finding the Fourth Proportional to 22,176.40, 33,257.40 and 7,382.80

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Solution

The fourth proportional to 22,176.40, 33,257.40 and 7,382.80 is: 11,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,176.40 : 33,257.40 = 7,382.80 : x
  2. Step 2: Convert to fraction form
    22,176.40/33,257.40 = 7,382.80/x
  3. Step 3: Cross multiply
    22,176.40x = 33,257.40 × 7,382.80
  4. Step 4: Simplify right side
    22,176.40x = 245,532,732.72
  5. Step 5: Solve for x
    x = 245,532,732.72/22,176.40
  6. Step 6: Final answer
    x = 11,071.80

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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.