Home / 17,638.75-24,319.87-13,850.11

Finding the Fourth Proportional to 17,638.75, 24,319.87 and 13,850.11

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Solution

The fourth proportional to 17,638.75, 24,319.87 and 13,850.11 is: 19,096.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,638.75 : 24,319.87 = 13,850.11 : x
  2. Step 2: Convert to fraction form
    17,638.75/24,319.87 = 13,850.11/x
  3. Step 3: Cross multiply
    17,638.75x = 24,319.87 × 13,850.11
  4. Step 4: Simplify right side
    17,638.75x = 336,832,874.69
  5. Step 5: Solve for x
    x = 336,832,874.69/17,638.75
  6. Step 6: Final answer
    x = 19,096.19

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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.