Home / 13,899.96-20,851.09-4,039.24

Finding the Fourth Proportional to 13,899.96, 20,851.09 and 4,039.24

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Solution

The fourth proportional to 13,899.96, 20,851.09 and 4,039.24 is: 6,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,899.96 : 20,851.09 = 4,039.24 : x
  2. Step 2: Convert to fraction form
    13,899.96/20,851.09 = 4,039.24/x
  3. Step 3: Cross multiply
    13,899.96x = 20,851.09 × 4,039.24
  4. Step 4: Simplify right side
    13,899.96x = 84,222,556.77
  5. Step 5: Solve for x
    x = 84,222,556.77/13,899.96
  6. Step 6: Final answer
    x = 6,059.19

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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.