Home / 13,329.24-19,993.92-5,538.06

Finding the Fourth Proportional to 13,329.24, 19,993.92 and 5,538.06

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Solution

The fourth proportional to 13,329.24, 19,993.92 and 5,538.06 is: 8,307.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.24 : 19,993.92 = 5,538.06 : x
  2. Step 2: Convert to fraction form
    13,329.24/19,993.92 = 5,538.06/x
  3. Step 3: Cross multiply
    13,329.24x = 19,993.92 × 5,538.06
  4. Step 4: Simplify right side
    13,329.24x = 110,727,528.60
  5. Step 5: Solve for x
    x = 110,727,528.60/13,329.24
  6. Step 6: Final answer
    x = 8,307.11

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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.