Home / 13,157.26-18,150.68-9,566.65

Finding the Fourth Proportional to 13,157.26, 18,150.68 and 9,566.65

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Solution

The fourth proportional to 13,157.26, 18,150.68 and 9,566.65 is: 13,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.26 : 18,150.68 = 9,566.65 : x
  2. Step 2: Convert to fraction form
    13,157.26/18,150.68 = 9,566.65/x
  3. Step 3: Cross multiply
    13,157.26x = 18,150.68 × 9,566.65
  4. Step 4: Simplify right side
    13,157.26x = 173,641,202.82
  5. Step 5: Solve for x
    x = 173,641,202.82/13,157.26
  6. Step 6: Final answer
    x = 13,197.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.