Home / 14,249.50-19,666.74-7,960.66

Finding the Fourth Proportional to 14,249.50, 19,666.74 and 7,960.66

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Solution

The fourth proportional to 14,249.50, 19,666.74 and 7,960.66 is: 10,987.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,249.50 : 19,666.74 = 7,960.66 : x
  2. Step 2: Convert to fraction form
    14,249.50/19,666.74 = 7,960.66/x
  3. Step 3: Cross multiply
    14,249.50x = 19,666.74 × 7,960.66
  4. Step 4: Simplify right side
    14,249.50x = 156,560,230.45
  5. Step 5: Solve for x
    x = 156,560,230.45/14,249.50
  6. Step 6: Final answer
    x = 10,987.07

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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.