Home / 18,102.63-27,147.29-6,253.39

Finding the Fourth Proportional to 18,102.63, 27,147.29 and 6,253.39

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Solution

The fourth proportional to 18,102.63, 27,147.29 and 6,253.39 is: 9,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,102.63 : 27,147.29 = 6,253.39 : x
  2. Step 2: Convert to fraction form
    18,102.63/27,147.29 = 6,253.39/x
  3. Step 3: Cross multiply
    18,102.63x = 27,147.29 × 6,253.39
  4. Step 4: Simplify right side
    18,102.63x = 169,762,492.68
  5. Step 5: Solve for x
    x = 169,762,492.68/18,102.63
  6. Step 6: Final answer
    x = 9,377.78

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1.5x scale

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.