Home / 22,160.60-30,565.99-13,201.19

Finding the Fourth Proportional to 22,160.60, 30,565.99 and 13,201.19

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Solution

The fourth proportional to 22,160.60, 30,565.99 and 13,201.19 is: 18,208.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,160.60 : 30,565.99 = 13,201.19 : x
  2. Step 2: Convert to fraction form
    22,160.60/30,565.99 = 13,201.19/x
  3. Step 3: Cross multiply
    22,160.60x = 30,565.99 × 13,201.19
  4. Step 4: Simplify right side
    22,160.60x = 403,507,441.53
  5. Step 5: Solve for x
    x = 403,507,441.53/22,160.60
  6. Step 6: Final answer
    x = 18,208.33

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Half scale
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Double scale
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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.