Home / 16,819.72-23,211.22-9,750.24

Finding the Fourth Proportional to 16,819.72, 23,211.22 and 9,750.24

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Solution

The fourth proportional to 16,819.72, 23,211.22 and 9,750.24 is: 13,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,819.72 : 23,211.22 = 9,750.24 : x
  2. Step 2: Convert to fraction form
    16,819.72/23,211.22 = 9,750.24/x
  3. Step 3: Cross multiply
    16,819.72x = 23,211.22 × 9,750.24
  4. Step 4: Simplify right side
    16,819.72x = 226,314,965.69
  5. Step 5: Solve for x
    x = 226,314,965.69/16,819.72
  6. Step 6: Final answer
    x = 13,455.33

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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.