Home / 27,969.73-38,588.76-19,001.61

Finding the Fourth Proportional to 27,969.73, 38,588.76 and 19,001.61

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Solution

The fourth proportional to 27,969.73, 38,588.76 and 19,001.61 is: 26,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,969.73 : 38,588.76 = 19,001.61 : x
  2. Step 2: Convert to fraction form
    27,969.73/38,588.76 = 19,001.61/x
  3. Step 3: Cross multiply
    27,969.73x = 38,588.76 × 19,001.61
  4. Step 4: Simplify right side
    27,969.73x = 733,248,567.90
  5. Step 5: Solve for x
    x = 733,248,567.90/27,969.73
  6. Step 6: Final answer
    x = 26,215.79

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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.