Home / 25,972.23-35,850.56-15,220.55

Finding the Fourth Proportional to 25,972.23, 35,850.56 and 15,220.55

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Solution

The fourth proportional to 25,972.23, 35,850.56 and 15,220.55 is: 21,009.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,972.23 : 35,850.56 = 15,220.55 : x
  2. Step 2: Convert to fraction form
    25,972.23/35,850.56 = 15,220.55/x
  3. Step 3: Cross multiply
    25,972.23x = 35,850.56 × 15,220.55
  4. Step 4: Simplify right side
    25,972.23x = 545,665,241.01
  5. Step 5: Solve for x
    x = 545,665,241.01/25,972.23
  6. Step 6: Final answer
    x = 21,009.56

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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.