Home / 22,997.08-31,735.44-12,787.42

Finding the Fourth Proportional to 22,997.08, 31,735.44 and 12,787.42

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Solution

The fourth proportional to 22,997.08, 31,735.44 and 12,787.42 is: 17,646.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,997.08 : 31,735.44 = 12,787.42 : x
  2. Step 2: Convert to fraction form
    22,997.08/31,735.44 = 12,787.42/x
  3. Step 3: Cross multiply
    22,997.08x = 31,735.44 × 12,787.42
  4. Step 4: Simplify right side
    22,997.08x = 405,814,400.16
  5. Step 5: Solve for x
    x = 405,814,400.16/22,997.08
  6. Step 6: Final answer
    x = 17,646.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.