Home / 15,997.20-23,975.55-6,123.30

Finding the Fourth Proportional to 15,997.20, 23,975.55 and 6,123.30

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Solution

The fourth proportional to 15,997.20, 23,975.55 and 6,123.30 is: 9,177.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.20 : 23,975.55 = 6,123.30 : x
  2. Step 2: Convert to fraction form
    15,997.20/23,975.55 = 6,123.30/x
  3. Step 3: Cross multiply
    15,997.20x = 23,975.55 × 6,123.30
  4. Step 4: Simplify right side
    15,997.20x = 146,809,485.32
  5. Step 5: Solve for x
    x = 146,809,485.32/15,997.20
  6. Step 6: Final answer
    x = 9,177.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.