Home / 22,816.92-31,486.41-12,745.32

Finding the Fourth Proportional to 22,816.92, 31,486.41 and 12,745.32

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Solution

The fourth proportional to 22,816.92, 31,486.41 and 12,745.32 is: 17,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,816.92 : 31,486.41 = 12,745.32 : x
  2. Step 2: Convert to fraction form
    22,816.92/31,486.41 = 12,745.32/x
  3. Step 3: Cross multiply
    22,816.92x = 31,486.41 × 12,745.32
  4. Step 4: Simplify right side
    22,816.92x = 401,304,371.10
  5. Step 5: Solve for x
    x = 401,304,371.10/22,816.92
  6. Step 6: Final answer
    x = 17,588.02

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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.