Home / 18,535.86-27,803.57-7,442.35

Finding the Fourth Proportional to 18,535.86, 27,803.57 and 7,442.35

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Solution

The fourth proportional to 18,535.86, 27,803.57 and 7,442.35 is: 11,163.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.86 : 27,803.57 = 7,442.35 : x
  2. Step 2: Convert to fraction form
    18,535.86/27,803.57 = 7,442.35/x
  3. Step 3: Cross multiply
    18,535.86x = 27,803.57 × 7,442.35
  4. Step 4: Simplify right side
    18,535.86x = 206,923,985.59
  5. Step 5: Solve for x
    x = 206,923,985.59/18,535.86
  6. Step 6: Final answer
    x = 11,163.44

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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.