Home / 14,690.70-20,273.10-7,976.27

Finding the Fourth Proportional to 14,690.70, 20,273.10 and 7,976.27

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Solution

The fourth proportional to 14,690.70, 20,273.10 and 7,976.27 is: 11,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.70 : 20,273.10 = 7,976.27 : x
  2. Step 2: Convert to fraction form
    14,690.70/20,273.10 = 7,976.27/x
  3. Step 3: Cross multiply
    14,690.70x = 20,273.10 × 7,976.27
  4. Step 4: Simplify right side
    14,690.70x = 161,703,784.98
  5. Step 5: Solve for x
    x = 161,703,784.98/14,690.70
  6. Step 6: Final answer
    x = 11,007.22

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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.