Home / 14,974.54-20,665.88-8,260.18

Finding the Fourth Proportional to 14,974.54, 20,665.88 and 8,260.18

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Solution

The fourth proportional to 14,974.54, 20,665.88 and 8,260.18 is: 11,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.54 : 20,665.88 = 8,260.18 : x
  2. Step 2: Convert to fraction form
    14,974.54/20,665.88 = 8,260.18/x
  3. Step 3: Cross multiply
    14,974.54x = 20,665.88 × 8,260.18
  4. Step 4: Simplify right side
    14,974.54x = 170,703,888.66
  5. Step 5: Solve for x
    x = 170,703,888.66/14,974.54
  6. Step 6: Final answer
    x = 11,399.61

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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.