Home / 14,789.83-20,409.04-8,074.09

Finding the Fourth Proportional to 14,789.83, 20,409.04 and 8,074.09

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Solution

The fourth proportional to 14,789.83, 20,409.04 and 8,074.09 is: 11,141.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.83 : 20,409.04 = 8,074.09 : x
  2. Step 2: Convert to fraction form
    14,789.83/20,409.04 = 8,074.09/x
  3. Step 3: Cross multiply
    14,789.83x = 20,409.04 × 8,074.09
  4. Step 4: Simplify right side
    14,789.83x = 164,784,425.77
  5. Step 5: Solve for x
    x = 164,784,425.77/14,789.83
  6. Step 6: Final answer
    x = 11,141.74

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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.