Home / 22,014.10-33,021.15-12,172.60

Finding the Fourth Proportional to 22,014.10, 33,021.15 and 12,172.60

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Solution

The fourth proportional to 22,014.10, 33,021.15 and 12,172.60 is: 18,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.10 : 33,021.15 = 12,172.60 : x
  2. Step 2: Convert to fraction form
    22,014.10/33,021.15 = 12,172.60/x
  3. Step 3: Cross multiply
    22,014.10x = 33,021.15 × 12,172.60
  4. Step 4: Simplify right side
    22,014.10x = 401,953,250.49
  5. Step 5: Solve for x
    x = 401,953,250.49/22,014.10
  6. Step 6: Final answer
    x = 18,258.90

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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.