Home / 13,699.53-20,548.52-3,704.13

Finding the Fourth Proportional to 13,699.53, 20,548.52 and 3,704.13

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Solution

The fourth proportional to 13,699.53, 20,548.52 and 3,704.13 is: 5,555.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,699.53 : 20,548.52 = 3,704.13 : x
  2. Step 2: Convert to fraction form
    13,699.53/20,548.52 = 3,704.13/x
  3. Step 3: Cross multiply
    13,699.53x = 20,548.52 × 3,704.13
  4. Step 4: Simplify right side
    13,699.53x = 76,114,487.07
  5. Step 5: Solve for x
    x = 76,114,487.07/13,699.53
  6. Step 6: Final answer
    x = 5,555.99

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1.5x scale

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.