Home / 16,941.75-23,379.57-9,388.11

Finding the Fourth Proportional to 16,941.75, 23,379.57 and 9,388.11

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Solution

The fourth proportional to 16,941.75, 23,379.57 and 9,388.11 is: 12,955.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.75 : 23,379.57 = 9,388.11 : x
  2. Step 2: Convert to fraction form
    16,941.75/23,379.57 = 9,388.11/x
  3. Step 3: Cross multiply
    16,941.75x = 23,379.57 × 9,388.11
  4. Step 4: Simplify right side
    16,941.75x = 219,489,974.91
  5. Step 5: Solve for x
    x = 219,489,974.91/16,941.75
  6. Step 6: Final answer
    x = 12,955.57

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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.