Home / 14,550.06-20,077.56-8,261.22

Finding the Fourth Proportional to 14,550.06, 20,077.56 and 8,261.22

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Solution

The fourth proportional to 14,550.06, 20,077.56 and 8,261.22 is: 11,399.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.06 : 20,077.56 = 8,261.22 : x
  2. Step 2: Convert to fraction form
    14,550.06/20,077.56 = 8,261.22/x
  3. Step 3: Cross multiply
    14,550.06x = 20,077.56 × 8,261.22
  4. Step 4: Simplify right side
    14,550.06x = 165,865,140.22
  5. Step 5: Solve for x
    x = 165,865,140.22/14,550.06
  6. Step 6: Final answer
    x = 11,399.62

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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.