Home / 14,626.48-20,185.86-8,340.88

Finding the Fourth Proportional to 14,626.48, 20,185.86 and 8,340.88

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Solution

The fourth proportional to 14,626.48, 20,185.86 and 8,340.88 is: 11,511.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.48 : 20,185.86 = 8,340.88 : x
  2. Step 2: Convert to fraction form
    14,626.48/20,185.86 = 8,340.88/x
  3. Step 3: Cross multiply
    14,626.48x = 20,185.86 × 8,340.88
  4. Step 4: Simplify right side
    14,626.48x = 168,367,835.96
  5. Step 5: Solve for x
    x = 168,367,835.96/14,626.48
  6. Step 6: Final answer
    x = 11,511.17

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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.