Home / 22,427.66-30,949.13-12,355.61

Finding the Fourth Proportional to 22,427.66, 30,949.13 and 12,355.61

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Solution

The fourth proportional to 22,427.66, 30,949.13 and 12,355.61 is: 17,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,427.66 : 30,949.13 = 12,355.61 : x
  2. Step 2: Convert to fraction form
    22,427.66/30,949.13 = 12,355.61/x
  3. Step 3: Cross multiply
    22,427.66x = 30,949.13 × 12,355.61
  4. Step 4: Simplify right side
    22,427.66x = 382,395,163.60
  5. Step 5: Solve for x
    x = 382,395,163.60/22,427.66
  6. Step 6: Final answer
    x = 17,050.16

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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.