Home / 18,585.80-27,873.67-5,255.63

Finding the Fourth Proportional to 18,585.80, 27,873.67 and 5,255.63

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Solution

The fourth proportional to 18,585.80, 27,873.67 and 5,255.63 is: 7,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.80 : 27,873.67 = 5,255.63 : x
  2. Step 2: Convert to fraction form
    18,585.80/27,873.67 = 5,255.63/x
  3. Step 3: Cross multiply
    18,585.80x = 27,873.67 × 5,255.63
  4. Step 4: Simplify right side
    18,585.80x = 146,493,814.92
  5. Step 5: Solve for x
    x = 146,493,814.92/18,585.80
  6. Step 6: Final answer
    x = 7,882.03

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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.