Home / 18,472.57-27,712.75-5,991.63

Finding the Fourth Proportional to 18,472.57, 27,712.75 and 5,991.63

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Solution

The fourth proportional to 18,472.57, 27,712.75 and 5,991.63 is: 8,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,472.57 : 27,712.75 = 5,991.63 : x
  2. Step 2: Convert to fraction form
    18,472.57/27,712.75 = 5,991.63/x
  3. Step 3: Cross multiply
    18,472.57x = 27,712.75 × 5,991.63
  4. Step 4: Simplify right side
    18,472.57x = 166,044,464.70
  5. Step 5: Solve for x
    x = 166,044,464.70/18,472.57
  6. Step 6: Final answer
    x = 8,988.70

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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.