Home / 19,340.39-26,687.73-11,382.14

Finding the Fourth Proportional to 19,340.39, 26,687.73 and 11,382.14

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Solution

The fourth proportional to 19,340.39, 26,687.73 and 11,382.14 is: 15,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.39 : 26,687.73 = 11,382.14 : x
  2. Step 2: Convert to fraction form
    19,340.39/26,687.73 = 11,382.14/x
  3. Step 3: Cross multiply
    19,340.39x = 26,687.73 × 11,382.14
  4. Step 4: Simplify right side
    19,340.39x = 303,763,479.14
  5. Step 5: Solve for x
    x = 303,763,479.14/19,340.39
  6. Step 6: Final answer
    x = 15,706.17

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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.