Home / 18,176.49-25,083.45-10,218.74

Finding the Fourth Proportional to 18,176.49, 25,083.45 and 10,218.74

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Solution

The fourth proportional to 18,176.49, 25,083.45 and 10,218.74 is: 14,101.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.49 : 25,083.45 = 10,218.74 : x
  2. Step 2: Convert to fraction form
    18,176.49/25,083.45 = 10,218.74/x
  3. Step 3: Cross multiply
    18,176.49x = 25,083.45 × 10,218.74
  4. Step 4: Simplify right side
    18,176.49x = 256,321,128.44
  5. Step 5: Solve for x
    x = 256,321,128.44/18,176.49
  6. Step 6: Final answer
    x = 14,101.79

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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.