Home / 14,222.58-21,344.76-6,436.86

Finding the Fourth Proportional to 14,222.58, 21,344.76 and 6,436.86

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Solution

The fourth proportional to 14,222.58, 21,344.76 and 6,436.86 is: 9,660.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,222.58 : 21,344.76 = 6,436.86 : x
  2. Step 2: Convert to fraction form
    14,222.58/21,344.76 = 6,436.86/x
  3. Step 3: Cross multiply
    14,222.58x = 21,344.76 × 6,436.86
  4. Step 4: Simplify right side
    14,222.58x = 137,393,231.85
  5. Step 5: Solve for x
    x = 137,393,231.85/14,222.58
  6. Step 6: Final answer
    x = 9,660.22

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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.