Home / 22,496.72-31,049.26-13,070.75

Finding the Fourth Proportional to 22,496.72, 31,049.26 and 13,070.75

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Solution

The fourth proportional to 22,496.72, 31,049.26 and 13,070.75 is: 18,039.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,496.72 : 31,049.26 = 13,070.75 : x
  2. Step 2: Convert to fraction form
    22,496.72/31,049.26 = 13,070.75/x
  3. Step 3: Cross multiply
    22,496.72x = 31,049.26 × 13,070.75
  4. Step 4: Simplify right side
    22,496.72x = 405,836,927.22
  5. Step 5: Solve for x
    x = 405,836,927.22/22,496.72
  6. Step 6: Final answer
    x = 18,039.83

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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.