Home / 21,497.24-32,239.74-8,346.80

Finding the Fourth Proportional to 21,497.24, 32,239.74 and 8,346.80

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Solution

The fourth proportional to 21,497.24, 32,239.74 and 8,346.80 is: 12,517.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.24 : 32,239.74 = 8,346.80 : x
  2. Step 2: Convert to fraction form
    21,497.24/32,239.74 = 8,346.80/x
  3. Step 3: Cross multiply
    21,497.24x = 32,239.74 × 8,346.80
  4. Step 4: Simplify right side
    21,497.24x = 269,098,661.83
  5. Step 5: Solve for x
    x = 269,098,661.83/21,497.24
  6. Step 6: Final answer
    x = 12,517.82

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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.