Home / 18,175.47-25,076.37-11,008.10

Finding the Fourth Proportional to 18,175.47, 25,076.37 and 11,008.10

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Solution

The fourth proportional to 18,175.47, 25,076.37 and 11,008.10 is: 15,187.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.47 : 25,076.37 = 11,008.10 : x
  2. Step 2: Convert to fraction form
    18,175.47/25,076.37 = 11,008.10/x
  3. Step 3: Cross multiply
    18,175.47x = 25,076.37 × 11,008.10
  4. Step 4: Simplify right side
    18,175.47x = 276,043,063.22
  5. Step 5: Solve for x
    x = 276,043,063.22/18,175.47
  6. Step 6: Final answer
    x = 15,187.67

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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.