Home / 14,883.60-20,539.44-8,169.51

Finding the Fourth Proportional to 14,883.60, 20,539.44 and 8,169.51

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Solution

The fourth proportional to 14,883.60, 20,539.44 and 8,169.51 is: 11,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.60 : 20,539.44 = 8,169.51 : x
  2. Step 2: Convert to fraction form
    14,883.60/20,539.44 = 8,169.51/x
  3. Step 3: Cross multiply
    14,883.60x = 20,539.44 × 8,169.51
  4. Step 4: Simplify right side
    14,883.60x = 167,797,160.47
  5. Step 5: Solve for x
    x = 167,797,160.47/14,883.60
  6. Step 6: Final answer
    x = 11,273.96

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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.