Home / 16,784.57-23,161.38-9,709.62

Finding the Fourth Proportional to 16,784.57, 23,161.38 and 9,709.62

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Solution

The fourth proportional to 16,784.57, 23,161.38 and 9,709.62 is: 13,398.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,784.57 : 23,161.38 = 9,709.62 : x
  2. Step 2: Convert to fraction form
    16,784.57/23,161.38 = 9,709.62/x
  3. Step 3: Cross multiply
    16,784.57x = 23,161.38 × 9,709.62
  4. Step 4: Simplify right side
    16,784.57x = 224,888,198.48
  5. Step 5: Solve for x
    x = 224,888,198.48/16,784.57
  6. Step 6: Final answer
    x = 13,398.51

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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.