Home / 22,788.97-31,448.85-12,717.84

Finding the Fourth Proportional to 22,788.97, 31,448.85 and 12,717.84

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Solution

The fourth proportional to 22,788.97, 31,448.85 and 12,717.84 is: 17,550.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,788.97 : 31,448.85 = 12,717.84 : x
  2. Step 2: Convert to fraction form
    22,788.97/31,448.85 = 12,717.84/x
  3. Step 3: Cross multiply
    22,788.97x = 31,448.85 × 12,717.84
  4. Step 4: Simplify right side
    22,788.97x = 399,961,285.24
  5. Step 5: Solve for x
    x = 399,961,285.24/22,788.97
  6. Step 6: Final answer
    x = 17,550.65

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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.