Home / 14,883.14-20,539.48-8,168.71

Finding the Fourth Proportional to 14,883.14, 20,539.48 and 8,168.71

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Solution

The fourth proportional to 14,883.14, 20,539.48 and 8,168.71 is: 11,273.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.14 : 20,539.48 = 8,168.71 : x
  2. Step 2: Convert to fraction form
    14,883.14/20,539.48 = 8,168.71/x
  3. Step 3: Cross multiply
    14,883.14x = 20,539.48 × 8,168.71
  4. Step 4: Simplify right side
    14,883.14x = 167,781,055.67
  5. Step 5: Solve for x
    x = 167,781,055.67/14,883.14
  6. Step 6: Final answer
    x = 11,273.23

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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.