Home / 16,976.70-23,426.64-9,423.36

Finding the Fourth Proportional to 16,976.70, 23,426.64 and 9,423.36

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Solution

The fourth proportional to 16,976.70, 23,426.64 and 9,423.36 is: 13,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.70 : 23,426.64 = 9,423.36 : x
  2. Step 2: Convert to fraction form
    16,976.70/23,426.64 = 9,423.36/x
  3. Step 3: Cross multiply
    16,976.70x = 23,426.64 × 9,423.36
  4. Step 4: Simplify right side
    16,976.70x = 220,757,662.31
  5. Step 5: Solve for x
    x = 220,757,662.31/16,976.70
  6. Step 6: Final answer
    x = 13,003.57

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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.