Home / 13,835.46-19,095.38-8,169.83

Finding the Fourth Proportional to 13,835.46, 19,095.38 and 8,169.83

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Solution

The fourth proportional to 13,835.46, 19,095.38 and 8,169.83 is: 11,275.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.46 : 19,095.38 = 8,169.83 : x
  2. Step 2: Convert to fraction form
    13,835.46/19,095.38 = 8,169.83/x
  3. Step 3: Cross multiply
    13,835.46x = 19,095.38 × 8,169.83
  4. Step 4: Simplify right side
    13,835.46x = 156,005,974.30
  5. Step 5: Solve for x
    x = 156,005,974.30/13,835.46
  6. Step 6: Final answer
    x = 11,275.81

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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.