Home / 18,154.64-27,236.64-5,675.06

Finding the Fourth Proportional to 18,154.64, 27,236.64 and 5,675.06

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Solution

The fourth proportional to 18,154.64, 27,236.64 and 5,675.06 is: 8,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,154.64 : 27,236.64 = 5,675.06 : x
  2. Step 2: Convert to fraction form
    18,154.64/27,236.64 = 5,675.06/x
  3. Step 3: Cross multiply
    18,154.64x = 27,236.64 × 5,675.06
  4. Step 4: Simplify right side
    18,154.64x = 154,569,566.20
  5. Step 5: Solve for x
    x = 154,569,566.20/18,154.64
  6. Step 6: Final answer
    x = 8,514.05

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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.