Home / 27,604.92-38,056.51-18,638.22

Finding the Fourth Proportional to 27,604.92, 38,056.51 and 18,638.22

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Solution

The fourth proportional to 27,604.92, 38,056.51 and 18,638.22 is: 25,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,604.92 : 38,056.51 = 18,638.22 : x
  2. Step 2: Convert to fraction form
    27,604.92/38,056.51 = 18,638.22/x
  3. Step 3: Cross multiply
    27,604.92x = 38,056.51 × 18,638.22
  4. Step 4: Simplify right side
    27,604.92x = 709,305,605.81
  5. Step 5: Solve for x
    x = 709,305,605.81/27,604.92
  6. Step 6: Final answer
    x = 25,694.90

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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.