Home / 17,645.06-26,468.34-7,782.08

Finding the Fourth Proportional to 17,645.06, 26,468.34 and 7,782.08

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Solution

The fourth proportional to 17,645.06, 26,468.34 and 7,782.08 is: 11,673.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,645.06 : 26,468.34 = 7,782.08 : x
  2. Step 2: Convert to fraction form
    17,645.06/26,468.34 = 7,782.08/x
  3. Step 3: Cross multiply
    17,645.06x = 26,468.34 × 7,782.08
  4. Step 4: Simplify right side
    17,645.06x = 205,978,739.35
  5. Step 5: Solve for x
    x = 205,978,739.35/17,645.06
  6. Step 6: Final answer
    x = 11,673.45

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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.