Home / 13,490.53-20,236.40-5,059.03

Finding the Fourth Proportional to 13,490.53, 20,236.40 and 5,059.03

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Solution

The fourth proportional to 13,490.53, 20,236.40 and 5,059.03 is: 7,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,490.53 : 20,236.40 = 5,059.03 : x
  2. Step 2: Convert to fraction form
    13,490.53/20,236.40 = 5,059.03/x
  3. Step 3: Cross multiply
    13,490.53x = 20,236.40 × 5,059.03
  4. Step 4: Simplify right side
    13,490.53x = 102,376,554.69
  5. Step 5: Solve for x
    x = 102,376,554.69/13,490.53
  6. Step 6: Final answer
    x = 7,588.77

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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.