Home / 22,786.25-31,441.23-15,220.44

Finding the Fourth Proportional to 22,786.25, 31,441.23 and 15,220.44

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Solution

The fourth proportional to 22,786.25, 31,441.23 and 15,220.44 is: 21,001.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,786.25 : 31,441.23 = 15,220.44 : x
  2. Step 2: Convert to fraction form
    22,786.25/31,441.23 = 15,220.44/x
  3. Step 3: Cross multiply
    22,786.25x = 31,441.23 × 15,220.44
  4. Step 4: Simplify right side
    22,786.25x = 478,549,354.74
  5. Step 5: Solve for x
    x = 478,549,354.74/22,786.25
  6. Step 6: Final answer
    x = 21,001.68

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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.