Home / 22,190.04-30,626.21-13,115.03

Finding the Fourth Proportional to 22,190.04, 30,626.21 and 13,115.03

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Solution

The fourth proportional to 22,190.04, 30,626.21 and 13,115.03 is: 18,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,190.04 : 30,626.21 = 13,115.03 : x
  2. Step 2: Convert to fraction form
    22,190.04/30,626.21 = 13,115.03/x
  3. Step 3: Cross multiply
    22,190.04x = 30,626.21 × 13,115.03
  4. Step 4: Simplify right side
    22,190.04x = 401,663,662.94
  5. Step 5: Solve for x
    x = 401,663,662.94/22,190.04
  6. Step 6: Final answer
    x = 18,101.08

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Half scale
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Double scale
Find fourth proportional to 22,191.04, 30,627.59 and 13,116.03
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.