Home / 16,941.80-23,379-9,388.24

Finding the Fourth Proportional to 16,941.80, 23,379 and 9,388.24

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Solution

The fourth proportional to 16,941.80, 23,379 and 9,388.24 is: 12,955.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,941.80 : 23,379 = 9,388.24 : x
  2. Step 2: Convert to fraction form
    16,941.80/23,379 = 9,388.24/x
  3. Step 3: Cross multiply
    16,941.80x = 23,379 × 9,388.24
  4. Step 4: Simplify right side
    16,941.80x = 219,487,662.96
  5. Step 5: Solve for x
    x = 219,487,662.96/16,941.80
  6. Step 6: Final answer
    x = 12,955.39

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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.