Home / 13,699.26-20,549.52-3,839.22

Finding the Fourth Proportional to 13,699.26, 20,549.52 and 3,839.22

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Solution

The fourth proportional to 13,699.26, 20,549.52 and 3,839.22 is: 5,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.26 : 20,549.52 = 3,839.22 : x
  2. Step 2: Convert to fraction form
    13,699.26/20,549.52 = 3,839.22/x
  3. Step 3: Cross multiply
    13,699.26x = 20,549.52 × 3,839.22
  4. Step 4: Simplify right side
    13,699.26x = 78,894,128.17
  5. Step 5: Solve for x
    x = 78,894,128.17/13,699.26
  6. Step 6: Final answer
    x = 5,759.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.