Home / 22,001.88-30,362.22-12,441.60

Finding the Fourth Proportional to 22,001.88, 30,362.22 and 12,441.60

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Solution

The fourth proportional to 22,001.88, 30,362.22 and 12,441.60 is: 17,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.88 : 30,362.22 = 12,441.60 : x
  2. Step 2: Convert to fraction form
    22,001.88/30,362.22 = 12,441.60/x
  3. Step 3: Cross multiply
    22,001.88x = 30,362.22 × 12,441.60
  4. Step 4: Simplify right side
    22,001.88x = 377,754,596.35
  5. Step 5: Solve for x
    x = 377,754,596.35/22,001.88
  6. Step 6: Final answer
    x = 17,169.20

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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.