Home / 27,220.39-37,563.96-17,155.33

Finding the Fourth Proportional to 27,220.39, 37,563.96 and 17,155.33

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Solution

The fourth proportional to 27,220.39, 37,563.96 and 17,155.33 is: 23,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,220.39 : 37,563.96 = 17,155.33 : x
  2. Step 2: Convert to fraction form
    27,220.39/37,563.96 = 17,155.33/x
  3. Step 3: Cross multiply
    27,220.39x = 37,563.96 × 17,155.33
  4. Step 4: Simplify right side
    27,220.39x = 644,422,129.91
  5. Step 5: Solve for x
    x = 644,422,129.91/27,220.39
  6. Step 6: Final answer
    x = 23,674.24

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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.