Home / 13,352.48-20,028.65-5,453.31

Finding the Fourth Proportional to 13,352.48, 20,028.65 and 5,453.31

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Solution

The fourth proportional to 13,352.48, 20,028.65 and 5,453.31 is: 8,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,352.48 : 20,028.65 = 5,453.31 : x
  2. Step 2: Convert to fraction form
    13,352.48/20,028.65 = 5,453.31/x
  3. Step 3: Cross multiply
    13,352.48x = 20,028.65 × 5,453.31
  4. Step 4: Simplify right side
    13,352.48x = 109,222,437.33
  5. Step 5: Solve for x
    x = 109,222,437.33/13,352.48
  6. Step 6: Final answer
    x = 8,179.94

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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.