Home / 13,153.50-19,739.99-6,228.02

Finding the Fourth Proportional to 13,153.50, 19,739.99 and 6,228.02

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Solution

The fourth proportional to 13,153.50, 19,739.99 and 6,228.02 is: 9,346.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,153.50 : 19,739.99 = 6,228.02 : x
  2. Step 2: Convert to fraction form
    13,153.50/19,739.99 = 6,228.02/x
  3. Step 3: Cross multiply
    13,153.50x = 19,739.99 × 6,228.02
  4. Step 4: Simplify right side
    13,153.50x = 122,941,052.52
  5. Step 5: Solve for x
    x = 122,941,052.52/13,153.50
  6. Step 6: Final answer
    x = 9,346.64

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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.