Home / 27,353.17-37,695.83-19,786.65

Finding the Fourth Proportional to 27,353.17, 37,695.83 and 19,786.65

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Solution

The fourth proportional to 27,353.17, 37,695.83 and 19,786.65 is: 27,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,353.17 : 37,695.83 = 19,786.65 : x
  2. Step 2: Convert to fraction form
    27,353.17/37,695.83 = 19,786.65/x
  3. Step 3: Cross multiply
    27,353.17x = 37,695.83 × 19,786.65
  4. Step 4: Simplify right side
    27,353.17x = 745,874,383.74
  5. Step 5: Solve for x
    x = 745,874,383.74/27,353.17
  6. Step 6: Final answer
    x = 27,268.30

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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.