Home / 13,125.70-19,695.75-6,200.02

Finding the Fourth Proportional to 13,125.70, 19,695.75 and 6,200.02

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Solution

The fourth proportional to 13,125.70, 19,695.75 and 6,200.02 is: 9,303.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.70 : 19,695.75 = 6,200.02 : x
  2. Step 2: Convert to fraction form
    13,125.70/19,695.75 = 6,200.02/x
  3. Step 3: Cross multiply
    13,125.70x = 19,695.75 × 6,200.02
  4. Step 4: Simplify right side
    13,125.70x = 122,114,043.92
  5. Step 5: Solve for x
    x = 122,114,043.92/13,125.70
  6. Step 6: Final answer
    x = 9,303.43

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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.