Home / 14,098.68-19,455.45-8,129.99

Finding the Fourth Proportional to 14,098.68, 19,455.45 and 8,129.99

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Solution

The fourth proportional to 14,098.68, 19,455.45 and 8,129.99 is: 11,218.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,098.68 : 19,455.45 = 8,129.99 : x
  2. Step 2: Convert to fraction form
    14,098.68/19,455.45 = 8,129.99/x
  3. Step 3: Cross multiply
    14,098.68x = 19,455.45 × 8,129.99
  4. Step 4: Simplify right side
    14,098.68x = 158,172,613.95
  5. Step 5: Solve for x
    x = 158,172,613.95/14,098.68
  6. Step 6: Final answer
    x = 11,218.97

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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.