Home / 27,696.79-38,216.50-18,259.75

Finding the Fourth Proportional to 27,696.79, 38,216.50 and 18,259.75

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Solution

The fourth proportional to 27,696.79, 38,216.50 and 18,259.75 is: 25,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,696.79 : 38,216.50 = 18,259.75 : x
  2. Step 2: Convert to fraction form
    27,696.79/38,216.50 = 18,259.75/x
  3. Step 3: Cross multiply
    27,696.79x = 38,216.50 × 18,259.75
  4. Step 4: Simplify right side
    27,696.79x = 697,823,735.88
  5. Step 5: Solve for x
    x = 697,823,735.88/27,696.79
  6. Step 6: Final answer
    x = 25,195.11

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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.