Home / 14,186.26-21,227.55-8,345.62

Finding the Fourth Proportional to 14,186.26, 21,227.55 and 8,345.62

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Solution

The fourth proportional to 14,186.26, 21,227.55 and 8,345.62 is: 12,487.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.26 : 21,227.55 = 8,345.62 : x
  2. Step 2: Convert to fraction form
    14,186.26/21,227.55 = 8,345.62/x
  3. Step 3: Cross multiply
    14,186.26x = 21,227.55 × 8,345.62
  4. Step 4: Simplify right side
    14,186.26x = 177,157,065.83
  5. Step 5: Solve for x
    x = 177,157,065.83/14,186.26
  6. Step 6: Final answer
    x = 12,487.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.