Home / 22,204.44-30,642.11-12,643.83

Finding the Fourth Proportional to 22,204.44, 30,642.11 and 12,643.83

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Solution

The fourth proportional to 22,204.44, 30,642.11 and 12,643.83 is: 17,448.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,204.44 : 30,642.11 = 12,643.83 : x
  2. Step 2: Convert to fraction form
    22,204.44/30,642.11 = 12,643.83/x
  3. Step 3: Cross multiply
    22,204.44x = 30,642.11 × 12,643.83
  4. Step 4: Simplify right side
    22,204.44x = 387,433,566.46
  5. Step 5: Solve for x
    x = 387,433,566.46/22,204.44
  6. Step 6: Final answer
    x = 17,448.47

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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.