Home / 27,564.13-38,049.32-19,539.73

Finding the Fourth Proportional to 27,564.13, 38,049.32 and 19,539.73

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Solution

The fourth proportional to 27,564.13, 38,049.32 and 19,539.73 is: 26,972.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,564.13 : 38,049.32 = 19,539.73 : x
  2. Step 2: Convert to fraction form
    27,564.13/38,049.32 = 19,539.73/x
  3. Step 3: Cross multiply
    27,564.13x = 38,049.32 × 19,539.73
  4. Step 4: Simplify right side
    27,564.13x = 743,473,463.91
  5. Step 5: Solve for x
    x = 743,473,463.91/27,564.13
  6. Step 6: Final answer
    x = 26,972.50

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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.