Home / 22,346.40-30,839.69-13,850.19

Finding the Fourth Proportional to 22,346.40, 30,839.69 and 13,850.19

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Solution

The fourth proportional to 22,346.40, 30,839.69 and 13,850.19 is: 19,114.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,346.40 : 30,839.69 = 13,850.19 : x
  2. Step 2: Convert to fraction form
    22,346.40/30,839.69 = 13,850.19/x
  3. Step 3: Cross multiply
    22,346.40x = 30,839.69 × 13,850.19
  4. Step 4: Simplify right side
    22,346.40x = 427,135,496.79
  5. Step 5: Solve for x
    x = 427,135,496.79/22,346.40
  6. Step 6: Final answer
    x = 19,114.29

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Double scale
Find fourth proportional to 22,347.40, 30,841.07 and 13,851.19
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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.