Home / 13,533.31-20,299.49-6,132.59

Finding the Fourth Proportional to 13,533.31, 20,299.49 and 6,132.59

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Solution

The fourth proportional to 13,533.31, 20,299.49 and 6,132.59 is: 9,198.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.31 : 20,299.49 = 6,132.59 : x
  2. Step 2: Convert to fraction form
    13,533.31/20,299.49 = 6,132.59/x
  3. Step 3: Cross multiply
    13,533.31x = 20,299.49 × 6,132.59
  4. Step 4: Simplify right side
    13,533.31x = 124,488,317.22
  5. Step 5: Solve for x
    x = 124,488,317.22/13,533.31
  6. Step 6: Final answer
    x = 9,198.66

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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.