Home / 18,165.17-27,249.32-5,017.55

Finding the Fourth Proportional to 18,165.17, 27,249.32 and 5,017.55

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Solution

The fourth proportional to 18,165.17, 27,249.32 and 5,017.55 is: 7,526.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.17 : 27,249.32 = 5,017.55 : x
  2. Step 2: Convert to fraction form
    18,165.17/27,249.32 = 5,017.55/x
  3. Step 3: Cross multiply
    18,165.17x = 27,249.32 × 5,017.55
  4. Step 4: Simplify right side
    18,165.17x = 136,724,701.86
  5. Step 5: Solve for x
    x = 136,724,701.86/18,165.17
  6. Step 6: Final answer
    x = 7,526.75

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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.