Home / 16,780.55-23,157.14-9,227.36

Finding the Fourth Proportional to 16,780.55, 23,157.14 and 9,227.36

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Solution

The fourth proportional to 16,780.55, 23,157.14 and 9,227.36 is: 12,733.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.55 : 23,157.14 = 9,227.36 : x
  2. Step 2: Convert to fraction form
    16,780.55/23,157.14 = 9,227.36/x
  3. Step 3: Cross multiply
    16,780.55x = 23,157.14 × 9,227.36
  4. Step 4: Simplify right side
    16,780.55x = 213,679,105.43
  5. Step 5: Solve for x
    x = 213,679,105.43/16,780.55
  6. Step 6: Final answer
    x = 12,733.74

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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.