Home / 13,356.09-20,028.29-6,338.12

Finding the Fourth Proportional to 13,356.09, 20,028.29 and 6,338.12

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Solution

The fourth proportional to 13,356.09, 20,028.29 and 6,338.12 is: 9,504.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,356.09 : 20,028.29 = 6,338.12 : x
  2. Step 2: Convert to fraction form
    13,356.09/20,028.29 = 6,338.12/x
  3. Step 3: Cross multiply
    13,356.09x = 20,028.29 × 6,338.12
  4. Step 4: Simplify right side
    13,356.09x = 126,941,760.40
  5. Step 5: Solve for x
    x = 126,941,760.40/13,356.09
  6. Step 6: Final answer
    x = 9,504.41

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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.