Home / 43,856.56-65,767.68-14,267.20

Finding the Fourth Proportional to 43,856.56, 65,767.68 and 14,267.20

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Solution

The fourth proportional to 43,856.56, 65,767.68 and 14,267.20 is: 21,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,856.56 : 65,767.68 = 14,267.20 : x
  2. Step 2: Convert to fraction form
    43,856.56/65,767.68 = 14,267.20/x
  3. Step 3: Cross multiply
    43,856.56x = 65,767.68 × 14,267.20
  4. Step 4: Simplify right side
    43,856.56x = 938,320,644.10
  5. Step 5: Solve for x
    x = 938,320,644.10/43,856.56
  6. Step 6: Final answer
    x = 21,395.22

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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.