Home / 22,137.55-30,549.04-12,065.78

Finding the Fourth Proportional to 22,137.55, 30,549.04 and 12,065.78

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Solution

The fourth proportional to 22,137.55, 30,549.04 and 12,065.78 is: 16,650.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,137.55 : 30,549.04 = 12,065.78 : x
  2. Step 2: Convert to fraction form
    22,137.55/30,549.04 = 12,065.78/x
  3. Step 3: Cross multiply
    22,137.55x = 30,549.04 × 12,065.78
  4. Step 4: Simplify right side
    22,137.55x = 368,598,042.06
  5. Step 5: Solve for x
    x = 368,598,042.06/22,137.55
  6. Step 6: Final answer
    x = 16,650.36

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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.