Home / 14,976.83-20,669.18-8,263.76

Finding the Fourth Proportional to 14,976.83, 20,669.18 and 8,263.76

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Solution

The fourth proportional to 14,976.83, 20,669.18 and 8,263.76 is: 11,404.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,976.83 : 20,669.18 = 8,263.76 : x
  2. Step 2: Convert to fraction form
    14,976.83/20,669.18 = 8,263.76/x
  3. Step 3: Cross multiply
    14,976.83x = 20,669.18 × 8,263.76
  4. Step 4: Simplify right side
    14,976.83x = 170,804,998.25
  5. Step 5: Solve for x
    x = 170,804,998.25/14,976.83
  6. Step 6: Final answer
    x = 11,404.61

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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.