Home / 18,652.44-27,981.63-6,172.92

Finding the Fourth Proportional to 18,652.44, 27,981.63 and 6,172.92

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Solution

The fourth proportional to 18,652.44, 27,981.63 and 6,172.92 is: 9,260.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.44 : 27,981.63 = 6,172.92 : x
  2. Step 2: Convert to fraction form
    18,652.44/27,981.63 = 6,172.92/x
  3. Step 3: Cross multiply
    18,652.44x = 27,981.63 × 6,172.92
  4. Step 4: Simplify right side
    18,652.44x = 172,728,363.46
  5. Step 5: Solve for x
    x = 172,728,363.46/18,652.44
  6. Step 6: Final answer
    x = 9,260.36

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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.