Home / 22,273.12-30,777.84-15,975.52

Finding the Fourth Proportional to 22,273.12, 30,777.84 and 15,975.52

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Solution

The fourth proportional to 22,273.12, 30,777.84 and 15,975.52 is: 22,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,273.12 : 30,777.84 = 15,975.52 : x
  2. Step 2: Convert to fraction form
    22,273.12/30,777.84 = 15,975.52/x
  3. Step 3: Cross multiply
    22,273.12x = 30,777.84 × 15,975.52
  4. Step 4: Simplify right side
    22,273.12x = 491,691,998.48
  5. Step 5: Solve for x
    x = 491,691,998.48/22,273.12
  6. Step 6: Final answer
    x = 22,075.58

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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.