Home / 22,170.55-30,594.77-12,099.12

Finding the Fourth Proportional to 22,170.55, 30,594.77 and 12,099.12

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Solution

The fourth proportional to 22,170.55, 30,594.77 and 12,099.12 is: 16,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,170.55 : 30,594.77 = 12,099.12 : x
  2. Step 2: Convert to fraction form
    22,170.55/30,594.77 = 12,099.12/x
  3. Step 3: Cross multiply
    22,170.55x = 30,594.77 × 12,099.12
  4. Step 4: Simplify right side
    22,170.55x = 370,169,793.60
  5. Step 5: Solve for x
    x = 370,169,793.60/22,170.55
  6. Step 6: Final answer
    x = 16,696.46

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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.