Home / 27,669.06-41,531.84-20,251.49

Finding the Fourth Proportional to 27,669.06, 41,531.84 and 20,251.49

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Solution

The fourth proportional to 27,669.06, 41,531.84 and 20,251.49 is: 30,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,669.06 : 41,531.84 = 20,251.49 : x
  2. Step 2: Convert to fraction form
    27,669.06/41,531.84 = 20,251.49/x
  3. Step 3: Cross multiply
    27,669.06x = 41,531.84 × 20,251.49
  4. Step 4: Simplify right side
    27,669.06x = 841,081,409.47
  5. Step 5: Solve for x
    x = 841,081,409.47/27,669.06
  6. Step 6: Final answer
    x = 30,397.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.