Home / 43,687.17-65,533.53-11,665.65

Finding the Fourth Proportional to 43,687.17, 65,533.53 and 11,665.65

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Solution

The fourth proportional to 43,687.17, 65,533.53 and 11,665.65 is: 17,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,687.17 : 65,533.53 = 11,665.65 : x
  2. Step 2: Convert to fraction form
    43,687.17/65,533.53 = 11,665.65/x
  3. Step 3: Cross multiply
    43,687.17x = 65,533.53 × 11,665.65
  4. Step 4: Simplify right side
    43,687.17x = 764,491,224.24
  5. Step 5: Solve for x
    x = 764,491,224.24/43,687.17
  6. Step 6: Final answer
    x = 17,499.22

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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.