Home / 16,864.66-25,352.34-15,646.78

Finding the Fourth Proportional to 16,864.66, 25,352.34 and 15,646.78

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Solution

The fourth proportional to 16,864.66, 25,352.34 and 15,646.78 is: 23,521.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,864.66 : 25,352.34 = 15,646.78 : x
  2. Step 2: Convert to fraction form
    16,864.66/25,352.34 = 15,646.78/x
  3. Step 3: Cross multiply
    16,864.66x = 25,352.34 × 15,646.78
  4. Step 4: Simplify right side
    16,864.66x = 396,682,486.47
  5. Step 5: Solve for x
    x = 396,682,486.47/16,864.66
  6. Step 6: Final answer
    x = 23,521.52

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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.