Home / 18,664.48-27,997.74-7,569.52

Finding the Fourth Proportional to 18,664.48, 27,997.74 and 7,569.52

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Solution

The fourth proportional to 18,664.48, 27,997.74 and 7,569.52 is: 11,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.48 : 27,997.74 = 7,569.52 : x
  2. Step 2: Convert to fraction form
    18,664.48/27,997.74 = 7,569.52/x
  3. Step 3: Cross multiply
    18,664.48x = 27,997.74 × 7,569.52
  4. Step 4: Simplify right side
    18,664.48x = 211,929,452.88
  5. Step 5: Solve for x
    x = 211,929,452.88/18,664.48
  6. Step 6: Final answer
    x = 11,354.69

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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.