Home / 14,789.52-20,409.66-8,074.98

Finding the Fourth Proportional to 14,789.52, 20,409.66 and 8,074.98

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Solution

The fourth proportional to 14,789.52, 20,409.66 and 8,074.98 is: 11,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.52 : 20,409.66 = 8,074.98 : x
  2. Step 2: Convert to fraction form
    14,789.52/20,409.66 = 8,074.98/x
  3. Step 3: Cross multiply
    14,789.52x = 20,409.66 × 8,074.98
  4. Step 4: Simplify right side
    14,789.52x = 164,807,596.31
  5. Step 5: Solve for x
    x = 164,807,596.31/14,789.52
  6. Step 6: Final answer
    x = 11,143.54

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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.