Home / 16,854.64-25,297.49-8,540.55

Finding the Fourth Proportional to 16,854.64, 25,297.49 and 8,540.55

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Solution

The fourth proportional to 16,854.64, 25,297.49 and 8,540.55 is: 12,818.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.64 : 25,297.49 = 8,540.55 : x
  2. Step 2: Convert to fraction form
    16,854.64/25,297.49 = 8,540.55/x
  3. Step 3: Cross multiply
    16,854.64x = 25,297.49 × 8,540.55
  4. Step 4: Simplify right side
    16,854.64x = 216,054,404.40
  5. Step 5: Solve for x
    x = 216,054,404.40/16,854.64
  6. Step 6: Final answer
    x = 12,818.69

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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.