Home / 13,795.66-19,043.79-11,682.13

Finding the Fourth Proportional to 13,795.66, 19,043.79 and 11,682.13

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Solution

The fourth proportional to 13,795.66, 19,043.79 and 11,682.13 is: 16,126.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.66 : 19,043.79 = 11,682.13 : x
  2. Step 2: Convert to fraction form
    13,795.66/19,043.79 = 11,682.13/x
  3. Step 3: Cross multiply
    13,795.66x = 19,043.79 × 11,682.13
  4. Step 4: Simplify right side
    13,795.66x = 222,471,972.06
  5. Step 5: Solve for x
    x = 222,471,972.06/13,795.66
  6. Step 6: Final answer
    x = 16,126.23

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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.