Home / 13,879.24-19,159.60-8,850.22

Finding the Fourth Proportional to 13,879.24, 19,159.60 and 8,850.22

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Solution

The fourth proportional to 13,879.24, 19,159.60 and 8,850.22 is: 12,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.24 : 19,159.60 = 8,850.22 : x
  2. Step 2: Convert to fraction form
    13,879.24/19,159.60 = 8,850.22/x
  3. Step 3: Cross multiply
    13,879.24x = 19,159.60 × 8,850.22
  4. Step 4: Simplify right side
    13,879.24x = 169,566,675.11
  5. Step 5: Solve for x
    x = 169,566,675.11/13,879.24
  6. Step 6: Final answer
    x = 12,217.29

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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.