Home / 17,591.43-26,388.51-5,111.63

Finding the Fourth Proportional to 17,591.43, 26,388.51 and 5,111.63

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Solution

The fourth proportional to 17,591.43, 26,388.51 and 5,111.63 is: 7,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,591.43 : 26,388.51 = 5,111.63 : x
  2. Step 2: Convert to fraction form
    17,591.43/26,388.51 = 5,111.63/x
  3. Step 3: Cross multiply
    17,591.43x = 26,388.51 × 5,111.63
  4. Step 4: Simplify right side
    17,591.43x = 134,888,207.84
  5. Step 5: Solve for x
    x = 134,888,207.84/17,591.43
  6. Step 6: Final answer
    x = 7,667.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.