Home / 14,883.61-20,539.36-8,169.25

Finding the Fourth Proportional to 14,883.61, 20,539.36 and 8,169.25

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Solution

The fourth proportional to 14,883.61, 20,539.36 and 8,169.25 is: 11,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.61 : 20,539.36 = 8,169.25 : x
  2. Step 2: Convert to fraction form
    14,883.61/20,539.36 = 8,169.25/x
  3. Step 3: Cross multiply
    14,883.61x = 20,539.36 × 8,169.25
  4. Step 4: Simplify right side
    14,883.61x = 167,791,166.68
  5. Step 5: Solve for x
    x = 167,791,166.68/14,883.61
  6. Step 6: Final answer
    x = 11,273.55

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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.