Home / 14,789.44-20,405.92-8,823.32

Finding the Fourth Proportional to 14,789.44, 20,405.92 and 8,823.32

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Solution

The fourth proportional to 14,789.44, 20,405.92 and 8,823.32 is: 12,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.44 : 20,405.92 = 8,823.32 : x
  2. Step 2: Convert to fraction form
    14,789.44/20,405.92 = 8,823.32/x
  3. Step 3: Cross multiply
    14,789.44x = 20,405.92 × 8,823.32
  4. Step 4: Simplify right side
    14,789.44x = 180,047,962.05
  5. Step 5: Solve for x
    x = 180,047,962.05/14,789.44
  6. Step 6: Final answer
    x = 12,174.09

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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.