Home / 14,149.02-19,529.16-8,179.83

Finding the Fourth Proportional to 14,149.02, 19,529.16 and 8,179.83

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Solution

The fourth proportional to 14,149.02, 19,529.16 and 8,179.83 is: 11,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,149.02 : 19,529.16 = 8,179.83 : x
  2. Step 2: Convert to fraction form
    14,149.02/19,529.16 = 8,179.83/x
  3. Step 3: Cross multiply
    14,149.02x = 19,529.16 × 8,179.83
  4. Step 4: Simplify right side
    14,149.02x = 159,745,208.84
  5. Step 5: Solve for x
    x = 159,745,208.84/14,149.02
  6. Step 6: Final answer
    x = 11,290.20

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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.