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Finding the Fourth Proportional to 19,843.95, 29,765.92 and 15,464.68

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Solution

The fourth proportional to 19,843.95, 29,765.92 and 15,464.68 is: 23,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.95 : 29,765.92 = 15,464.68 : x
  2. Step 2: Convert to fraction form
    19,843.95/29,765.92 = 15,464.68/x
  3. Step 3: Cross multiply
    19,843.95x = 29,765.92 × 15,464.68
  4. Step 4: Simplify right side
    19,843.95x = 460,320,427.71
  5. Step 5: Solve for x
    x = 460,320,427.71/19,843.95
  6. Step 6: Final answer
    x = 23,197.02

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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.