Home / 22,825.47-31,270.29-21,972.60

Finding the Fourth Proportional to 22,825.47, 31,270.29 and 21,972.60

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Solution

The fourth proportional to 22,825.47, 31,270.29 and 21,972.60 is: 30,101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,825.47 : 31,270.29 = 21,972.60 : x
  2. Step 2: Convert to fraction form
    22,825.47/31,270.29 = 21,972.60/x
  3. Step 3: Cross multiply
    22,825.47x = 31,270.29 × 21,972.60
  4. Step 4: Simplify right side
    22,825.47x = 687,089,574.05
  5. Step 5: Solve for x
    x = 687,089,574.05/22,825.47
  6. Step 6: Final answer
    x = 30,101.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.