Home / 27,447.22-37,879.38-15,513.04

Finding the Fourth Proportional to 27,447.22, 37,879.38 and 15,513.04

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Solution

The fourth proportional to 27,447.22, 37,879.38 and 15,513.04 is: 21,409.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,447.22 : 37,879.38 = 15,513.04 : x
  2. Step 2: Convert to fraction form
    27,447.22/37,879.38 = 15,513.04/x
  3. Step 3: Cross multiply
    27,447.22x = 37,879.38 × 15,513.04
  4. Step 4: Simplify right side
    27,447.22x = 587,624,337.12
  5. Step 5: Solve for x
    x = 587,624,337.12/27,447.22
  6. Step 6: Final answer
    x = 21,409.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.