Home / 22,651.09-31,256.22-13,225.12

Finding the Fourth Proportional to 22,651.09, 31,256.22 and 13,225.12

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Solution

The fourth proportional to 22,651.09, 31,256.22 and 13,225.12 is: 18,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,651.09 : 31,256.22 = 13,225.12 : x
  2. Step 2: Convert to fraction form
    22,651.09/31,256.22 = 13,225.12/x
  3. Step 3: Cross multiply
    22,651.09x = 31,256.22 × 13,225.12
  4. Step 4: Simplify right side
    22,651.09x = 413,367,260.25
  5. Step 5: Solve for x
    x = 413,367,260.25/22,651.09
  6. Step 6: Final answer
    x = 18,249.33

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Double scale
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Similar ratio
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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.