Home / 29,572.20-40,786.56-18,962.64

Finding the Fourth Proportional to 29,572.20, 40,786.56 and 18,962.64

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Solution

The fourth proportional to 29,572.20, 40,786.56 and 18,962.64 is: 26,153.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,572.20 : 40,786.56 = 18,962.64 : x
  2. Step 2: Convert to fraction form
    29,572.20/40,786.56 = 18,962.64/x
  3. Step 3: Cross multiply
    29,572.20x = 40,786.56 × 18,962.64
  4. Step 4: Simplify right side
    29,572.20x = 773,420,854.12
  5. Step 5: Solve for x
    x = 773,420,854.12/29,572.20
  6. Step 6: Final answer
    x = 26,153.65

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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.