Home / 13,941.44-19,226.16-11,118.20

Finding the Fourth Proportional to 13,941.44, 19,226.16 and 11,118.20

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Solution

The fourth proportional to 13,941.44, 19,226.16 and 11,118.20 is: 15,332.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,941.44 : 19,226.16 = 11,118.20 : x
  2. Step 2: Convert to fraction form
    13,941.44/19,226.16 = 11,118.20/x
  3. Step 3: Cross multiply
    13,941.44x = 19,226.16 × 11,118.20
  4. Step 4: Simplify right side
    13,941.44x = 213,760,292.11
  5. Step 5: Solve for x
    x = 213,760,292.11/13,941.44
  6. Step 6: Final answer
    x = 15,332.73

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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.