Home / 14,716.36-20,307.58-8,342.31

Finding the Fourth Proportional to 14,716.36, 20,307.58 and 8,342.31

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Solution

The fourth proportional to 14,716.36, 20,307.58 and 8,342.31 is: 11,511.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.36 : 20,307.58 = 8,342.31 : x
  2. Step 2: Convert to fraction form
    14,716.36/20,307.58 = 8,342.31/x
  3. Step 3: Cross multiply
    14,716.36x = 20,307.58 × 8,342.31
  4. Step 4: Simplify right side
    14,716.36x = 169,412,183.01
  5. Step 5: Solve for x
    x = 169,412,183.01/14,716.36
  6. Step 6: Final answer
    x = 11,511.83

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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.