Home / 16,885.87-23,302.38-9,332.72

Finding the Fourth Proportional to 16,885.87, 23,302.38 and 9,332.72

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Solution

The fourth proportional to 16,885.87, 23,302.38 and 9,332.72 is: 12,879.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.87 : 23,302.38 = 9,332.72 : x
  2. Step 2: Convert to fraction form
    16,885.87/23,302.38 = 9,332.72/x
  3. Step 3: Cross multiply
    16,885.87x = 23,302.38 × 9,332.72
  4. Step 4: Simplify right side
    16,885.87x = 217,474,593.74
  5. Step 5: Solve for x
    x = 217,474,593.74/16,885.87
  6. Step 6: Final answer
    x = 12,879.09

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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.