Home / 13,224.80-18,245.25-8,444.93

Finding the Fourth Proportional to 13,224.80, 18,245.25 and 8,444.93

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Solution

The fourth proportional to 13,224.80, 18,245.25 and 8,444.93 is: 11,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.80 : 18,245.25 = 8,444.93 : x
  2. Step 2: Convert to fraction form
    13,224.80/18,245.25 = 8,444.93/x
  3. Step 3: Cross multiply
    13,224.80x = 18,245.25 × 8,444.93
  4. Step 4: Simplify right side
    13,224.80x = 154,079,767.86
  5. Step 5: Solve for x
    x = 154,079,767.86/13,224.80
  6. Step 6: Final answer
    x = 11,650.82

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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.