Home / 22,152.36-30,566.76-13,199.64

Finding the Fourth Proportional to 22,152.36, 30,566.76 and 13,199.64

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Solution

The fourth proportional to 22,152.36, 30,566.76 and 13,199.64 is: 18,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,152.36 : 30,566.76 = 13,199.64 : x
  2. Step 2: Convert to fraction form
    22,152.36/30,566.76 = 13,199.64/x
  3. Step 3: Cross multiply
    22,152.36x = 30,566.76 × 13,199.64
  4. Step 4: Simplify right side
    22,152.36x = 403,470,227.97
  5. Step 5: Solve for x
    x = 403,470,227.97/22,152.36
  6. Step 6: Final answer
    x = 18,213.42

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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.