Home / 13,236.41-19,848.32-7,691.35

Finding the Fourth Proportional to 13,236.41, 19,848.32 and 7,691.35

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Solution

The fourth proportional to 13,236.41, 19,848.32 and 7,691.35 is: 11,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.41 : 19,848.32 = 7,691.35 : x
  2. Step 2: Convert to fraction form
    13,236.41/19,848.32 = 7,691.35/x
  3. Step 3: Cross multiply
    13,236.41x = 19,848.32 × 7,691.35
  4. Step 4: Simplify right side
    13,236.41x = 152,660,376.03
  5. Step 5: Solve for x
    x = 152,660,376.03/13,236.41
  6. Step 6: Final answer
    x = 11,533.37

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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.