Home / 18,180.35-25,078.01-11,094.47

Finding the Fourth Proportional to 18,180.35, 25,078.01 and 11,094.47

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Solution

The fourth proportional to 18,180.35, 25,078.01 and 11,094.47 is: 15,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.35 : 25,078.01 = 11,094.47 : x
  2. Step 2: Convert to fraction form
    18,180.35/25,078.01 = 11,094.47/x
  3. Step 3: Cross multiply
    18,180.35x = 25,078.01 × 11,094.47
  4. Step 4: Simplify right side
    18,180.35x = 278,227,142.78
  5. Step 5: Solve for x
    x = 278,227,142.78/18,180.35
  6. Step 6: Final answer
    x = 15,303.73

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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.