Home / 22,172.54-30,597.85-12,100.89

Finding the Fourth Proportional to 22,172.54, 30,597.85 and 12,100.89

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Solution

The fourth proportional to 22,172.54, 30,597.85 and 12,100.89 is: 16,699.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.54 : 30,597.85 = 12,100.89 : x
  2. Step 2: Convert to fraction form
    22,172.54/30,597.85 = 12,100.89/x
  3. Step 3: Cross multiply
    22,172.54x = 30,597.85 × 12,100.89
  4. Step 4: Simplify right side
    22,172.54x = 370,261,346.95
  5. Step 5: Solve for x
    x = 370,261,346.95/22,172.54
  6. Step 6: Final answer
    x = 16,699.10

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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.