Home / 17,647.07-26,470.60-5,167.40

Finding the Fourth Proportional to 17,647.07, 26,470.60 and 5,167.40

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Solution

The fourth proportional to 17,647.07, 26,470.60 and 5,167.40 is: 7,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,647.07 : 26,470.60 = 5,167.40 : x
  2. Step 2: Convert to fraction form
    17,647.07/26,470.60 = 5,167.40/x
  3. Step 3: Cross multiply
    17,647.07x = 26,470.60 × 5,167.40
  4. Step 4: Simplify right side
    17,647.07x = 136,784,033.17
  5. Step 5: Solve for x
    x = 136,784,033.17/17,647.07
  6. Step 6: Final answer
    x = 7,751.09

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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.