Home / 21,476.14-32,223.80-8,329.54

Finding the Fourth Proportional to 21,476.14, 32,223.80 and 8,329.54

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Solution

The fourth proportional to 21,476.14, 32,223.80 and 8,329.54 is: 12,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.14 : 32,223.80 = 8,329.54 : x
  2. Step 2: Convert to fraction form
    21,476.14/32,223.80 = 8,329.54/x
  3. Step 3: Cross multiply
    21,476.14x = 32,223.80 × 8,329.54
  4. Step 4: Simplify right side
    21,476.14x = 268,409,431.05
  5. Step 5: Solve for x
    x = 268,409,431.05/21,476.14
  6. Step 6: Final answer
    x = 12,498.03

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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.