Home / 18,448.39-27,669.61-5,297.77

Finding the Fourth Proportional to 18,448.39, 27,669.61 and 5,297.77

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Solution

The fourth proportional to 18,448.39, 27,669.61 and 5,297.77 is: 7,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.39 : 27,669.61 = 5,297.77 : x
  2. Step 2: Convert to fraction form
    18,448.39/27,669.61 = 5,297.77/x
  3. Step 3: Cross multiply
    18,448.39x = 27,669.61 × 5,297.77
  4. Step 4: Simplify right side
    18,448.39x = 146,587,167.22
  5. Step 5: Solve for x
    x = 146,587,167.22/18,448.39
  6. Step 6: Final answer
    x = 7,945.80

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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.