Home / 22,180.77-30,602.12-14,630.85

Finding the Fourth Proportional to 22,180.77, 30,602.12 and 14,630.85

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Solution

The fourth proportional to 22,180.77, 30,602.12 and 14,630.85 is: 20,185.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,180.77 : 30,602.12 = 14,630.85 : x
  2. Step 2: Convert to fraction form
    22,180.77/30,602.12 = 14,630.85/x
  3. Step 3: Cross multiply
    22,180.77x = 30,602.12 × 14,630.85
  4. Step 4: Simplify right side
    22,180.77x = 447,734,954.25
  5. Step 5: Solve for x
    x = 447,734,954.25/22,180.77
  6. Step 6: Final answer
    x = 20,185.73

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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.