Home / 22,828.68-31,504.25-12,757.15

Finding the Fourth Proportional to 22,828.68, 31,504.25 and 12,757.15

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Solution

The fourth proportional to 22,828.68, 31,504.25 and 12,757.15 is: 17,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.68 : 31,504.25 = 12,757.15 : x
  2. Step 2: Convert to fraction form
    22,828.68/31,504.25 = 12,757.15/x
  3. Step 3: Cross multiply
    22,828.68x = 31,504.25 × 12,757.15
  4. Step 4: Simplify right side
    22,828.68x = 401,904,348.51
  5. Step 5: Solve for x
    x = 401,904,348.51/22,828.68
  6. Step 6: Final answer
    x = 17,605.24

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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.