Home / 22,251.32-30,706.74-12,180.68

Finding the Fourth Proportional to 22,251.32, 30,706.74 and 12,180.68

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Solution

The fourth proportional to 22,251.32, 30,706.74 and 12,180.68 is: 16,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.32 : 30,706.74 = 12,180.68 : x
  2. Step 2: Convert to fraction form
    22,251.32/30,706.74 = 12,180.68/x
  3. Step 3: Cross multiply
    22,251.32x = 30,706.74 × 12,180.68
  4. Step 4: Simplify right side
    22,251.32x = 374,028,973.78
  5. Step 5: Solve for x
    x = 374,028,973.78/22,251.32
  6. Step 6: Final answer
    x = 16,809.29

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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.