Home / 17,515.50-26,273.25-5,203.50

Finding the Fourth Proportional to 17,515.50, 26,273.25 and 5,203.50

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Solution

The fourth proportional to 17,515.50, 26,273.25 and 5,203.50 is: 7,805.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.50 : 26,273.25 = 5,203.50 : x
  2. Step 2: Convert to fraction form
    17,515.50/26,273.25 = 5,203.50/x
  3. Step 3: Cross multiply
    17,515.50x = 26,273.25 × 5,203.50
  4. Step 4: Simplify right side
    17,515.50x = 136,712,856.38
  5. Step 5: Solve for x
    x = 136,712,856.38/17,515.50
  6. Step 6: Final answer
    x = 7,805.25

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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.