Home / 15,997.72-22,082.87-13,750.58

Finding the Fourth Proportional to 15,997.72, 22,082.87 and 13,750.58

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Solution

The fourth proportional to 15,997.72, 22,082.87 and 13,750.58 is: 18,980.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,997.72 : 22,082.87 = 13,750.58 : x
  2. Step 2: Convert to fraction form
    15,997.72/22,082.87 = 13,750.58/x
  3. Step 3: Cross multiply
    15,997.72x = 22,082.87 × 13,750.58
  4. Step 4: Simplify right side
    15,997.72x = 303,652,194.53
  5. Step 5: Solve for x
    x = 303,652,194.53/15,997.72
  6. Step 6: Final answer
    x = 18,980.97

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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.