Home / 18,328.02-27,470.78-8,446.54

Finding the Fourth Proportional to 18,328.02, 27,470.78 and 8,446.54

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Solution

The fourth proportional to 18,328.02, 27,470.78 and 8,446.54 is: 12,660.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,328.02 : 27,470.78 = 8,446.54 : x
  2. Step 2: Convert to fraction form
    18,328.02/27,470.78 = 8,446.54/x
  3. Step 3: Cross multiply
    18,328.02x = 27,470.78 × 8,446.54
  4. Step 4: Simplify right side
    18,328.02x = 232,033,042.10
  5. Step 5: Solve for x
    x = 232,033,042.10/18,328.02
  6. Step 6: Final answer
    x = 12,660.02

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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.