Home / 18,172.22-25,076.18-10,212.95

Finding the Fourth Proportional to 18,172.22, 25,076.18 and 10,212.95

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Solution

The fourth proportional to 18,172.22, 25,076.18 and 10,212.95 is: 14,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.22 : 25,076.18 = 10,212.95 : x
  2. Step 2: Convert to fraction form
    18,172.22/25,076.18 = 10,212.95/x
  3. Step 3: Cross multiply
    18,172.22x = 25,076.18 × 10,212.95
  4. Step 4: Simplify right side
    18,172.22x = 256,101,860.75
  5. Step 5: Solve for x
    x = 256,101,860.75/18,172.22
  6. Step 6: Final answer
    x = 14,093.05

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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.