Home / 22,284.53-30,753.05-12,212.31

Finding the Fourth Proportional to 22,284.53, 30,753.05 and 12,212.31

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Solution

The fourth proportional to 22,284.53, 30,753.05 and 12,212.31 is: 16,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,284.53 : 30,753.05 = 12,212.31 : x
  2. Step 2: Convert to fraction form
    22,284.53/30,753.05 = 12,212.31/x
  3. Step 3: Cross multiply
    22,284.53x = 30,753.05 × 12,212.31
  4. Step 4: Simplify right side
    22,284.53x = 375,565,780.05
  5. Step 5: Solve for x
    x = 375,565,780.05/22,284.53
  6. Step 6: Final answer
    x = 16,853.21

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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.