Home / 13,699.26-20,547.29-3,839.33

Finding the Fourth Proportional to 13,699.26, 20,547.29 and 3,839.33

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Solution

The fourth proportional to 13,699.26, 20,547.29 and 3,839.33 is: 5,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.26 : 20,547.29 = 3,839.33 : x
  2. Step 2: Convert to fraction form
    13,699.26/20,547.29 = 3,839.33/x
  3. Step 3: Cross multiply
    13,699.26x = 20,547.29 × 3,839.33
  4. Step 4: Simplify right side
    13,699.26x = 78,887,704.98
  5. Step 5: Solve for x
    x = 78,887,704.98/13,699.26
  6. Step 6: Final answer
    x = 5,758.54

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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.