Home / 17,739.90-26,615.06-5,260.26

Finding the Fourth Proportional to 17,739.90, 26,615.06 and 5,260.26

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Solution

The fourth proportional to 17,739.90, 26,615.06 and 5,260.26 is: 7,891.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,739.90 : 26,615.06 = 5,260.26 : x
  2. Step 2: Convert to fraction form
    17,739.90/26,615.06 = 5,260.26/x
  3. Step 3: Cross multiply
    17,739.90x = 26,615.06 × 5,260.26
  4. Step 4: Simplify right side
    17,739.90x = 140,002,135.52
  5. Step 5: Solve for x
    x = 140,002,135.52/17,739.90
  6. Step 6: Final answer
    x = 7,891.93

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1.5x scale

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.