Home / 13,236.72-19,857.51-4,922.48

Finding the Fourth Proportional to 13,236.72, 19,857.51 and 4,922.48

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Solution

The fourth proportional to 13,236.72, 19,857.51 and 4,922.48 is: 7,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.72 : 19,857.51 = 4,922.48 : x
  2. Step 2: Convert to fraction form
    13,236.72/19,857.51 = 4,922.48/x
  3. Step 3: Cross multiply
    13,236.72x = 19,857.51 × 4,922.48
  4. Step 4: Simplify right side
    13,236.72x = 97,748,096.54
  5. Step 5: Solve for x
    x = 97,748,096.54/13,236.72
  6. Step 6: Final answer
    x = 7,384.62

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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.