Home / 22,802.01-31,469.56-13,239.80

Finding the Fourth Proportional to 22,802.01, 31,469.56 and 13,239.80

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Solution

The fourth proportional to 22,802.01, 31,469.56 and 13,239.80 is: 18,272.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,802.01 : 31,469.56 = 13,239.80 : x
  2. Step 2: Convert to fraction form
    22,802.01/31,469.56 = 13,239.80/x
  3. Step 3: Cross multiply
    22,802.01x = 31,469.56 × 13,239.80
  4. Step 4: Simplify right side
    22,802.01x = 416,650,859.54
  5. Step 5: Solve for x
    x = 416,650,859.54/22,802.01
  6. Step 6: Final answer
    x = 18,272.55

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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.