Home / 22,161.60-30,567.37-13,202.19

Finding the Fourth Proportional to 22,161.60, 30,567.37 and 13,202.19

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Solution

The fourth proportional to 22,161.60, 30,567.37 and 13,202.19 is: 18,209.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.60 : 30,567.37 = 13,202.19 : x
  2. Step 2: Convert to fraction form
    22,161.60/30,567.37 = 13,202.19/x
  3. Step 3: Cross multiply
    22,161.60x = 30,567.37 × 13,202.19
  4. Step 4: Simplify right side
    22,161.60x = 403,556,226.54
  5. Step 5: Solve for x
    x = 403,556,226.54/22,161.60
  6. Step 6: Final answer
    x = 18,209.71

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Half scale
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Double scale
Find fourth proportional to 22,162.60, 30,568.75 and 13,203.19
Similar ratio
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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.