Home / 14,635.58-20,195.75-8,260.47

Finding the Fourth Proportional to 14,635.58, 20,195.75 and 8,260.47

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Solution

The fourth proportional to 14,635.58, 20,195.75 and 8,260.47 is: 11,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,635.58 : 20,195.75 = 8,260.47 : x
  2. Step 2: Convert to fraction form
    14,635.58/20,195.75 = 8,260.47/x
  3. Step 3: Cross multiply
    14,635.58x = 20,195.75 × 8,260.47
  4. Step 4: Simplify right side
    14,635.58x = 166,826,407.65
  5. Step 5: Solve for x
    x = 166,826,407.65/14,635.58
  6. Step 6: Final answer
    x = 11,398.69

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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.