Home / 18,191.06-27,301.17-9,428.48

Finding the Fourth Proportional to 18,191.06, 27,301.17 and 9,428.48

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Solution

The fourth proportional to 18,191.06, 27,301.17 and 9,428.48 is: 14,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191.06 : 27,301.17 = 9,428.48 : x
  2. Step 2: Convert to fraction form
    18,191.06/27,301.17 = 9,428.48/x
  3. Step 3: Cross multiply
    18,191.06x = 27,301.17 × 9,428.48
  4. Step 4: Simplify right side
    18,191.06x = 257,408,535.32
  5. Step 5: Solve for x
    x = 257,408,535.32/18,191.06
  6. Step 6: Final answer
    x = 14,150.28

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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.