Home / 29,221.08-43,856.12-15,189.72

Finding the Fourth Proportional to 29,221.08, 43,856.12 and 15,189.72

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Solution

The fourth proportional to 29,221.08, 43,856.12 and 15,189.72 is: 22,797.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,221.08 : 43,856.12 = 15,189.72 : x
  2. Step 2: Convert to fraction form
    29,221.08/43,856.12 = 15,189.72/x
  3. Step 3: Cross multiply
    29,221.08x = 43,856.12 × 15,189.72
  4. Step 4: Simplify right side
    29,221.08x = 666,162,183.09
  5. Step 5: Solve for x
    x = 666,162,183.09/29,221.08
  6. Step 6: Final answer
    x = 22,797.32

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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.