Home / 22,251.58-30,707.18-12,180.04

Finding the Fourth Proportional to 22,251.58, 30,707.18 and 12,180.04

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Solution

The fourth proportional to 22,251.58, 30,707.18 and 12,180.04 is: 16,808.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,251.58 : 30,707.18 = 12,180.04 : x
  2. Step 2: Convert to fraction form
    22,251.58/30,707.18 = 12,180.04/x
  3. Step 3: Cross multiply
    22,251.58x = 30,707.18 × 12,180.04
  4. Step 4: Simplify right side
    22,251.58x = 374,014,619.79
  5. Step 5: Solve for x
    x = 374,014,619.79/22,251.58
  6. Step 6: Final answer
    x = 16,808.45

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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.