Home / 14,381.52-19,846.82-8,416.62

Finding the Fourth Proportional to 14,381.52, 19,846.82 and 8,416.62

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Solution

The fourth proportional to 14,381.52, 19,846.82 and 8,416.62 is: 11,615.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.52 : 19,846.82 = 8,416.62 : x
  2. Step 2: Convert to fraction form
    14,381.52/19,846.82 = 8,416.62/x
  3. Step 3: Cross multiply
    14,381.52x = 19,846.82 × 8,416.62
  4. Step 4: Simplify right side
    14,381.52x = 167,043,142.15
  5. Step 5: Solve for x
    x = 167,043,142.15/14,381.52
  6. Step 6: Final answer
    x = 11,615.12

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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.