Home / 14,213.77-19,615.13-8,245.53

Finding the Fourth Proportional to 14,213.77, 19,615.13 and 8,245.53

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Solution

The fourth proportional to 14,213.77, 19,615.13 and 8,245.53 is: 11,378.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213.77 : 19,615.13 = 8,245.53 : x
  2. Step 2: Convert to fraction form
    14,213.77/19,615.13 = 8,245.53/x
  3. Step 3: Cross multiply
    14,213.77x = 19,615.13 × 8,245.53
  4. Step 4: Simplify right side
    14,213.77x = 161,737,142.87
  5. Step 5: Solve for x
    x = 161,737,142.87/14,213.77
  6. Step 6: Final answer
    x = 11,378.91

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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.