Home / 65,917.19-98,874.74-15,997.70

Finding the Fourth Proportional to 65,917.19, 98,874.74 and 15,997.70

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Solution

The fourth proportional to 65,917.19, 98,874.74 and 15,997.70 is: 23,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.19 : 98,874.74 = 15,997.70 : x
  2. Step 2: Convert to fraction form
    65,917.19/98,874.74 = 15,997.70/x
  3. Step 3: Cross multiply
    65,917.19x = 98,874.74 × 15,997.70
  4. Step 4: Simplify right side
    65,917.19x = 1,581,768,715.28
  5. Step 5: Solve for x
    x = 1,581,768,715.28/65,917.19
  6. Step 6: Final answer
    x = 23,996.30

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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.