Home / 14,336.44-21,516.45-7,321.57

Finding the Fourth Proportional to 14,336.44, 21,516.45 and 7,321.57

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Solution

The fourth proportional to 14,336.44, 21,516.45 and 7,321.57 is: 10,988.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,336.44 : 21,516.45 = 7,321.57 : x
  2. Step 2: Convert to fraction form
    14,336.44/21,516.45 = 7,321.57/x
  3. Step 3: Cross multiply
    14,336.44x = 21,516.45 × 7,321.57
  4. Step 4: Simplify right side
    14,336.44x = 157,534,194.83
  5. Step 5: Solve for x
    x = 157,534,194.83/14,336.44
  6. Step 6: Final answer
    x = 10,988.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.