Home / 16,913.40-23,348.64-11,257.56

Finding the Fourth Proportional to 16,913.40, 23,348.64 and 11,257.56

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Solution

The fourth proportional to 16,913.40, 23,348.64 and 11,257.56 is: 15,540.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.40 : 23,348.64 = 11,257.56 : x
  2. Step 2: Convert to fraction form
    16,913.40/23,348.64 = 11,257.56/x
  3. Step 3: Cross multiply
    16,913.40x = 23,348.64 × 11,257.56
  4. Step 4: Simplify right side
    16,913.40x = 262,848,715.72
  5. Step 5: Solve for x
    x = 262,848,715.72/16,913.40
  6. Step 6: Final answer
    x = 15,540.86

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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.