Home / 27,305.57-37,693.31-18,358.26

Finding the Fourth Proportional to 27,305.57, 37,693.31 and 18,358.26

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Solution

The fourth proportional to 27,305.57, 37,693.31 and 18,358.26 is: 25,342.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.57 : 37,693.31 = 18,358.26 : x
  2. Step 2: Convert to fraction form
    27,305.57/37,693.31 = 18,358.26/x
  3. Step 3: Cross multiply
    27,305.57x = 37,693.31 × 18,358.26
  4. Step 4: Simplify right side
    27,305.57x = 691,983,493.45
  5. Step 5: Solve for x
    x = 691,983,493.45/27,305.57
  6. Step 6: Final answer
    x = 25,342.21

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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.