Home / 22,172.88-30,598.31-12,101.49

Finding the Fourth Proportional to 22,172.88, 30,598.31 and 12,101.49

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Solution

The fourth proportional to 22,172.88, 30,598.31 and 12,101.49 is: 16,699.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.88 : 30,598.31 = 12,101.49 : x
  2. Step 2: Convert to fraction form
    22,172.88/30,598.31 = 12,101.49/x
  3. Step 3: Cross multiply
    22,172.88x = 30,598.31 × 12,101.49
  4. Step 4: Simplify right side
    22,172.88x = 370,285,081.97
  5. Step 5: Solve for x
    x = 370,285,081.97/22,172.88
  6. Step 6: Final answer
    x = 16,699.91

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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.