Home / 18,444.12-27,660.48-5,292.96

Finding the Fourth Proportional to 18,444.12, 27,660.48 and 5,292.96

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Solution

The fourth proportional to 18,444.12, 27,660.48 and 5,292.96 is: 7,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.12 : 27,660.48 = 5,292.96 : x
  2. Step 2: Convert to fraction form
    18,444.12/27,660.48 = 5,292.96/x
  3. Step 3: Cross multiply
    18,444.12x = 27,660.48 × 5,292.96
  4. Step 4: Simplify right side
    18,444.12x = 146,405,814.22
  5. Step 5: Solve for x
    x = 146,405,814.22/18,444.12
  6. Step 6: Final answer
    x = 7,937.80

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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.