Home / 12,049.31-17,941.66-11,917.01

Finding the Fourth Proportional to 12,049.31, 17,941.66 and 11,917.01

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Solution

The fourth proportional to 12,049.31, 17,941.66 and 11,917.01 is: 17,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,049.31 : 17,941.66 = 11,917.01 : x
  2. Step 2: Convert to fraction form
    12,049.31/17,941.66 = 11,917.01/x
  3. Step 3: Cross multiply
    12,049.31x = 17,941.66 × 11,917.01
  4. Step 4: Simplify right side
    12,049.31x = 213,810,941.64
  5. Step 5: Solve for x
    x = 213,810,941.64/12,049.31
  6. Step 6: Final answer
    x = 17,744.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.