Home / 18,644.04-27,946.62-7,558.38

Finding the Fourth Proportional to 18,644.04, 27,946.62 and 7,558.38

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Solution

The fourth proportional to 18,644.04, 27,946.62 and 7,558.38 is: 11,329.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644.04 : 27,946.62 = 7,558.38 : x
  2. Step 2: Convert to fraction form
    18,644.04/27,946.62 = 7,558.38/x
  3. Step 3: Cross multiply
    18,644.04x = 27,946.62 × 7,558.38
  4. Step 4: Simplify right side
    18,644.04x = 211,231,173.68
  5. Step 5: Solve for x
    x = 211,231,173.68/18,644.04
  6. Step 6: Final answer
    x = 11,329.69

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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.