Home / 19,517.84-26,936.16-11,134.16

Finding the Fourth Proportional to 19,517.84, 26,936.16 and 11,134.16

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Solution

The fourth proportional to 19,517.84, 26,936.16 and 11,134.16 is: 15,366.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517.84 : 26,936.16 = 11,134.16 : x
  2. Step 2: Convert to fraction form
    19,517.84/26,936.16 = 11,134.16/x
  3. Step 3: Cross multiply
    19,517.84x = 26,936.16 × 11,134.16
  4. Step 4: Simplify right side
    19,517.84x = 299,911,515.23
  5. Step 5: Solve for x
    x = 299,911,515.23/19,517.84
  6. Step 6: Final answer
    x = 15,366.02

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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.