Home / 22,161.11-30,566.67-13,201.70

Finding the Fourth Proportional to 22,161.11, 30,566.67 and 13,201.70

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Solution

The fourth proportional to 22,161.11, 30,566.67 and 13,201.70 is: 18,209.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.11 : 30,566.67 = 13,201.70 : x
  2. Step 2: Convert to fraction form
    22,161.11/30,566.67 = 13,201.70/x
  3. Step 3: Cross multiply
    22,161.11x = 30,566.67 × 13,201.70
  4. Step 4: Simplify right side
    22,161.11x = 403,531,854.51
  5. Step 5: Solve for x
    x = 403,531,854.51/22,161.11
  6. Step 6: Final answer
    x = 18,209.01

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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.