Home / 16,662.16-24,965.55-11,721.43

Finding the Fourth Proportional to 16,662.16, 24,965.55 and 11,721.43

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Solution

The fourth proportional to 16,662.16, 24,965.55 and 11,721.43 is: 17,562.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,662.16 : 24,965.55 = 11,721.43 : x
  2. Step 2: Convert to fraction form
    16,662.16/24,965.55 = 11,721.43/x
  3. Step 3: Cross multiply
    16,662.16x = 24,965.55 × 11,721.43
  4. Step 4: Simplify right side
    16,662.16x = 292,631,946.74
  5. Step 5: Solve for x
    x = 292,631,946.74/16,662.16
  6. Step 6: Final answer
    x = 17,562.67

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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.