Home / 22,863.78-31,550.85-12,792.24

Finding the Fourth Proportional to 22,863.78, 31,550.85 and 12,792.24

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Solution

The fourth proportional to 22,863.78, 31,550.85 and 12,792.24 is: 17,652.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,863.78 : 31,550.85 = 12,792.24 : x
  2. Step 2: Convert to fraction form
    22,863.78/31,550.85 = 12,792.24/x
  3. Step 3: Cross multiply
    22,863.78x = 31,550.85 × 12,792.24
  4. Step 4: Simplify right side
    22,863.78x = 403,606,045.40
  5. Step 5: Solve for x
    x = 403,606,045.40/22,863.78
  6. Step 6: Final answer
    x = 17,652.64

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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.