Home / 13,157.76-18,151.37-9,567.15

Finding the Fourth Proportional to 13,157.76, 18,151.37 and 9,567.15

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Solution

The fourth proportional to 13,157.76, 18,151.37 and 9,567.15 is: 13,198.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157.76 : 18,151.37 = 9,567.15 : x
  2. Step 2: Convert to fraction form
    13,157.76/18,151.37 = 9,567.15/x
  3. Step 3: Cross multiply
    13,157.76x = 18,151.37 × 9,567.15
  4. Step 4: Simplify right side
    13,157.76x = 173,656,879.50
  5. Step 5: Solve for x
    x = 173,656,879.50/13,157.76
  6. Step 6: Final answer
    x = 13,198.06

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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.