Home / 13,288.40-19,914.50-6,267.32

Finding the Fourth Proportional to 13,288.40, 19,914.50 and 6,267.32

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Solution

The fourth proportional to 13,288.40, 19,914.50 and 6,267.32 is: 9,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.40 : 19,914.50 = 6,267.32 : x
  2. Step 2: Convert to fraction form
    13,288.40/19,914.50 = 6,267.32/x
  3. Step 3: Cross multiply
    13,288.40x = 19,914.50 × 6,267.32
  4. Step 4: Simplify right side
    13,288.40x = 124,810,544.14
  5. Step 5: Solve for x
    x = 124,810,544.14/13,288.40
  6. Step 6: Final answer
    x = 9,392.44

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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.