Home / 16,739.45-23,100.24-9,665.72

Finding the Fourth Proportional to 16,739.45, 23,100.24 and 9,665.72

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Solution

The fourth proportional to 16,739.45, 23,100.24 and 9,665.72 is: 13,338.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,739.45 : 23,100.24 = 9,665.72 : x
  2. Step 2: Convert to fraction form
    16,739.45/23,100.24 = 9,665.72/x
  3. Step 3: Cross multiply
    16,739.45x = 23,100.24 × 9,665.72
  4. Step 4: Simplify right side
    16,739.45x = 223,280,451.77
  5. Step 5: Solve for x
    x = 223,280,451.77/16,739.45
  6. Step 6: Final answer
    x = 13,338.58

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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.