Home / 22,481.69-31,026.45-12,412.07

Finding the Fourth Proportional to 22,481.69, 31,026.45 and 12,412.07

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Solution

The fourth proportional to 22,481.69, 31,026.45 and 12,412.07 is: 17,129.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.69 : 31,026.45 = 12,412.07 : x
  2. Step 2: Convert to fraction form
    22,481.69/31,026.45 = 12,412.07/x
  3. Step 3: Cross multiply
    22,481.69x = 31,026.45 × 12,412.07
  4. Step 4: Simplify right side
    22,481.69x = 385,102,469.25
  5. Step 5: Solve for x
    x = 385,102,469.25/22,481.69
  6. Step 6: Final answer
    x = 17,129.60

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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.