Home / 18,647.10-27,967.95-5,498.82

Finding the Fourth Proportional to 18,647.10, 27,967.95 and 5,498.82

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Solution

The fourth proportional to 18,647.10, 27,967.95 and 5,498.82 is: 8,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,647.10 : 27,967.95 = 5,498.82 : x
  2. Step 2: Convert to fraction form
    18,647.10/27,967.95 = 5,498.82/x
  3. Step 3: Cross multiply
    18,647.10x = 27,967.95 × 5,498.82
  4. Step 4: Simplify right side
    18,647.10x = 153,790,722.82
  5. Step 5: Solve for x
    x = 153,790,722.82/18,647.10
  6. Step 6: Final answer
    x = 8,247.43

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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.