Home / 18,276.76-25,216.02-11,195.80

Finding the Fourth Proportional to 18,276.76, 25,216.02 and 11,195.80

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Solution

The fourth proportional to 18,276.76, 25,216.02 and 11,195.80 is: 15,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,276.76 : 25,216.02 = 11,195.80 : x
  2. Step 2: Convert to fraction form
    18,276.76/25,216.02 = 11,195.80/x
  3. Step 3: Cross multiply
    18,276.76x = 25,216.02 × 11,195.80
  4. Step 4: Simplify right side
    18,276.76x = 282,313,516.72
  5. Step 5: Solve for x
    x = 282,313,516.72/18,276.76
  6. Step 6: Final answer
    x = 15,446.58

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.