Home / 16,912.87-23,342.18-9,841.57

Finding the Fourth Proportional to 16,912.87, 23,342.18 and 9,841.57

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Solution

The fourth proportional to 16,912.87, 23,342.18 and 9,841.57 is: 13,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.87 : 23,342.18 = 9,841.57 : x
  2. Step 2: Convert to fraction form
    16,912.87/23,342.18 = 9,841.57/x
  3. Step 3: Cross multiply
    16,912.87x = 23,342.18 × 9,841.57
  4. Step 4: Simplify right side
    16,912.87x = 229,723,590.86
  5. Step 5: Solve for x
    x = 229,723,590.86/16,912.87
  6. Step 6: Final answer
    x = 13,582.77

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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.