Home / 21,652.21-32,470.12-8,497.41

Finding the Fourth Proportional to 21,652.21, 32,470.12 and 8,497.41

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Solution

The fourth proportional to 21,652.21, 32,470.12 and 8,497.41 is: 12,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.21 : 32,470.12 = 8,497.41 : x
  2. Step 2: Convert to fraction form
    21,652.21/32,470.12 = 8,497.41/x
  3. Step 3: Cross multiply
    21,652.21x = 32,470.12 × 8,497.41
  4. Step 4: Simplify right side
    21,652.21x = 275,911,763.45
  5. Step 5: Solve for x
    x = 275,911,763.45/21,652.21
  6. Step 6: Final answer
    x = 12,742.89

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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.