Home / 22,199.34-30,635.19-12,127.62

Finding the Fourth Proportional to 22,199.34, 30,635.19 and 12,127.62

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Solution

The fourth proportional to 22,199.34, 30,635.19 and 12,127.62 is: 16,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,199.34 : 30,635.19 = 12,127.62 : x
  2. Step 2: Convert to fraction form
    22,199.34/30,635.19 = 12,127.62/x
  3. Step 3: Cross multiply
    22,199.34x = 30,635.19 × 12,127.62
  4. Step 4: Simplify right side
    22,199.34x = 371,531,942.95
  5. Step 5: Solve for x
    x = 371,531,942.95/22,199.34
  6. Step 6: Final answer
    x = 16,736.17

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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.