Home / 18,628.80-27,948.08-6,150.72

Finding the Fourth Proportional to 18,628.80, 27,948.08 and 6,150.72

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Solution

The fourth proportional to 18,628.80, 27,948.08 and 6,150.72 is: 9,227.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.80 : 27,948.08 = 6,150.72 : x
  2. Step 2: Convert to fraction form
    18,628.80/27,948.08 = 6,150.72/x
  3. Step 3: Cross multiply
    18,628.80x = 27,948.08 × 6,150.72
  4. Step 4: Simplify right side
    18,628.80x = 171,900,814.62
  5. Step 5: Solve for x
    x = 171,900,814.62/18,628.80
  6. Step 6: Final answer
    x = 9,227.69

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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.