Home / 14,599.44-20,147.25-8,311.81

Finding the Fourth Proportional to 14,599.44, 20,147.25 and 8,311.81

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Solution

The fourth proportional to 14,599.44, 20,147.25 and 8,311.81 is: 11,470.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.44 : 20,147.25 = 8,311.81 : x
  2. Step 2: Convert to fraction form
    14,599.44/20,147.25 = 8,311.81/x
  3. Step 3: Cross multiply
    14,599.44x = 20,147.25 × 8,311.81
  4. Step 4: Simplify right side
    14,599.44x = 167,460,114.02
  5. Step 5: Solve for x
    x = 167,460,114.02/14,599.44
  6. Step 6: Final answer
    x = 11,470.31

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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.