Home / 29,581.16-40,826.48-18,102.65

Finding the Fourth Proportional to 29,581.16, 40,826.48 and 18,102.65

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Solution

The fourth proportional to 29,581.16, 40,826.48 and 18,102.65 is: 24,984.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581.16 : 40,826.48 = 18,102.65 : x
  2. Step 2: Convert to fraction form
    29,581.16/40,826.48 = 18,102.65/x
  3. Step 3: Cross multiply
    29,581.16x = 40,826.48 × 18,102.65
  4. Step 4: Simplify right side
    29,581.16x = 739,067,183.53
  5. Step 5: Solve for x
    x = 739,067,183.53/29,581.16
  6. Step 6: Final answer
    x = 24,984.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.