Home / 18,625.17-27,956.13-15,156.09

Finding the Fourth Proportional to 18,625.17, 27,956.13 and 15,156.09

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Solution

The fourth proportional to 18,625.17, 27,956.13 and 15,156.09 is: 22,749.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.17 : 27,956.13 = 15,156.09 : x
  2. Step 2: Convert to fraction form
    18,625.17/27,956.13 = 15,156.09/x
  3. Step 3: Cross multiply
    18,625.17x = 27,956.13 × 15,156.09
  4. Step 4: Simplify right side
    18,625.17x = 423,705,622.33
  5. Step 5: Solve for x
    x = 423,705,622.33/18,625.17
  6. Step 6: Final answer
    x = 22,749.09

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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.