Home / 14,716.50-20,309.22-8,342.94

Finding the Fourth Proportional to 14,716.50, 20,309.22 and 8,342.94

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Solution

The fourth proportional to 14,716.50, 20,309.22 and 8,342.94 is: 11,513.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716.50 : 20,309.22 = 8,342.94 : x
  2. Step 2: Convert to fraction form
    14,716.50/20,309.22 = 8,342.94/x
  3. Step 3: Cross multiply
    14,716.50x = 20,309.22 × 8,342.94
  4. Step 4: Simplify right side
    14,716.50x = 169,438,603.91
  5. Step 5: Solve for x
    x = 169,438,603.91/14,716.50
  6. Step 6: Final answer
    x = 11,513.51

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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.