Home / 29,212.08-43,839.24-11,686.80

Finding the Fourth Proportional to 29,212.08, 43,839.24 and 11,686.80

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Solution

The fourth proportional to 29,212.08, 43,839.24 and 11,686.80 is: 17,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,212.08 : 43,839.24 = 11,686.80 : x
  2. Step 2: Convert to fraction form
    29,212.08/43,839.24 = 11,686.80/x
  3. Step 3: Cross multiply
    29,212.08x = 43,839.24 × 11,686.80
  4. Step 4: Simplify right side
    29,212.08x = 512,340,430.03
  5. Step 5: Solve for x
    x = 512,340,430.03/29,212.08
  6. Step 6: Final answer
    x = 17,538.65

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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.