Home / 16,388.28-24,538.68-8,580.68

Finding the Fourth Proportional to 16,388.28, 24,538.68 and 8,580.68

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Solution

The fourth proportional to 16,388.28, 24,538.68 and 8,580.68 is: 12,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.28 : 24,538.68 = 8,580.68 : x
  2. Step 2: Convert to fraction form
    16,388.28/24,538.68 = 8,580.68/x
  3. Step 3: Cross multiply
    16,388.28x = 24,538.68 × 8,580.68
  4. Step 4: Simplify right side
    16,388.28x = 210,558,560.70
  5. Step 5: Solve for x
    x = 210,558,560.70/16,388.28
  6. Step 6: Final answer
    x = 12,848.12

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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.