Home / 14,161.99-19,542.93-8,500.09

Finding the Fourth Proportional to 14,161.99, 19,542.93 and 8,500.09

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Solution

The fourth proportional to 14,161.99, 19,542.93 and 8,500.09 is: 11,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.99 : 19,542.93 = 8,500.09 : x
  2. Step 2: Convert to fraction form
    14,161.99/19,542.93 = 8,500.09/x
  3. Step 3: Cross multiply
    14,161.99x = 19,542.93 × 8,500.09
  4. Step 4: Simplify right side
    14,161.99x = 166,116,663.86
  5. Step 5: Solve for x
    x = 166,116,663.86/14,161.99
  6. Step 6: Final answer
    x = 11,729.75

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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.