Home / 16,835.64-25,217.28-13,658.82

Finding the Fourth Proportional to 16,835.64, 25,217.28 and 13,658.82

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Solution

The fourth proportional to 16,835.64, 25,217.28 and 13,658.82 is: 20,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.64 : 25,217.28 = 13,658.82 : x
  2. Step 2: Convert to fraction form
    16,835.64/25,217.28 = 13,658.82/x
  3. Step 3: Cross multiply
    16,835.64x = 25,217.28 × 13,658.82
  4. Step 4: Simplify right side
    16,835.64x = 344,438,288.41
  5. Step 5: Solve for x
    x = 344,438,288.41/16,835.64
  6. Step 6: Final answer
    x = 20,458.88

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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.