Home / 25,949.08-35,808.78-15,873.76

Finding the Fourth Proportional to 25,949.08, 35,808.78 and 15,873.76

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Solution

The fourth proportional to 25,949.08, 35,808.78 and 15,873.76 is: 21,905.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,949.08 : 35,808.78 = 15,873.76 : x
  2. Step 2: Convert to fraction form
    25,949.08/35,808.78 = 15,873.76/x
  3. Step 3: Cross multiply
    25,949.08x = 35,808.78 × 15,873.76
  4. Step 4: Simplify right side
    25,949.08x = 568,419,979.61
  5. Step 5: Solve for x
    x = 568,419,979.61/25,949.08
  6. Step 6: Final answer
    x = 21,905.21

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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.