Home / 18,159.86-27,240.40-4,832.86

Finding the Fourth Proportional to 18,159.86, 27,240.40 and 4,832.86

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Solution

The fourth proportional to 18,159.86, 27,240.40 and 4,832.86 is: 7,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,159.86 : 27,240.40 = 4,832.86 : x
  2. Step 2: Convert to fraction form
    18,159.86/27,240.40 = 4,832.86/x
  3. Step 3: Cross multiply
    18,159.86x = 27,240.40 × 4,832.86
  4. Step 4: Simplify right side
    18,159.86x = 131,649,015.38
  5. Step 5: Solve for x
    x = 131,649,015.38/18,159.86
  6. Step 6: Final answer
    x = 7,249.45

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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.