Home / 22,141.26-30,555.08-13,189.14

Finding the Fourth Proportional to 22,141.26, 30,555.08 and 13,189.14

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Solution

The fourth proportional to 22,141.26, 30,555.08 and 13,189.14 is: 18,201.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.26 : 30,555.08 = 13,189.14 : x
  2. Step 2: Convert to fraction form
    22,141.26/30,555.08 = 13,189.14/x
  3. Step 3: Cross multiply
    22,141.26x = 30,555.08 × 13,189.14
  4. Step 4: Simplify right side
    22,141.26x = 402,995,227.83
  5. Step 5: Solve for x
    x = 402,995,227.83/22,141.26
  6. Step 6: Final answer
    x = 18,201.10

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Half scale
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Double scale
Find fourth proportional to 22,142.26, 30,556.46 and 13,190.14
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.