Home / 14,617.13-20,173.61-8,245.02

Finding the Fourth Proportional to 14,617.13, 20,173.61 and 8,245.02

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Solution

The fourth proportional to 14,617.13, 20,173.61 and 8,245.02 is: 11,379.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.13 : 20,173.61 = 8,245.02 : x
  2. Step 2: Convert to fraction form
    14,617.13/20,173.61 = 8,245.02/x
  3. Step 3: Cross multiply
    14,617.13x = 20,173.61 × 8,245.02
  4. Step 4: Simplify right side
    14,617.13x = 166,331,867.81
  5. Step 5: Solve for x
    x = 166,331,867.81/14,617.13
  6. Step 6: Final answer
    x = 11,379.25

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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.