Home / 21,682.27-32,534.34-8,544.07

Finding the Fourth Proportional to 21,682.27, 32,534.34 and 8,544.07

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Solution

The fourth proportional to 21,682.27, 32,534.34 and 8,544.07 is: 12,820.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,682.27 : 32,534.34 = 8,544.07 : x
  2. Step 2: Convert to fraction form
    21,682.27/32,534.34 = 8,544.07/x
  3. Step 3: Cross multiply
    21,682.27x = 32,534.34 × 8,544.07
  4. Step 4: Simplify right side
    21,682.27x = 277,975,678.36
  5. Step 5: Solve for x
    x = 277,975,678.36/21,682.27
  6. Step 6: Final answer
    x = 12,820.41

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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.