Home / 22,172.80-33,230.40-16,009.60

Finding the Fourth Proportional to 22,172.80, 33,230.40 and 16,009.60

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Solution

The fourth proportional to 22,172.80, 33,230.40 and 16,009.60 is: 23,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.80 : 33,230.40 = 16,009.60 : x
  2. Step 2: Convert to fraction form
    22,172.80/33,230.40 = 16,009.60/x
  3. Step 3: Cross multiply
    22,172.80x = 33,230.40 × 16,009.60
  4. Step 4: Simplify right side
    22,172.80x = 532,005,411.84
  5. Step 5: Solve for x
    x = 532,005,411.84/22,172.80
  6. Step 6: Final answer
    x = 23,993.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.