Home / 18,423.24-27,640.35-5,945.22

Finding the Fourth Proportional to 18,423.24, 27,640.35 and 5,945.22

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Solution

The fourth proportional to 18,423.24, 27,640.35 and 5,945.22 is: 8,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.24 : 27,640.35 = 5,945.22 : x
  2. Step 2: Convert to fraction form
    18,423.24/27,640.35 = 5,945.22/x
  3. Step 3: Cross multiply
    18,423.24x = 27,640.35 × 5,945.22
  4. Step 4: Simplify right side
    18,423.24x = 164,327,961.63
  5. Step 5: Solve for x
    x = 164,327,961.63/18,423.24
  6. Step 6: Final answer
    x = 8,919.60

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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.