Home / 13,272.60-19,896.40-4,501.29

Finding the Fourth Proportional to 13,272.60, 19,896.40 and 4,501.29

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Solution

The fourth proportional to 13,272.60, 19,896.40 and 4,501.29 is: 6,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,272.60 : 19,896.40 = 4,501.29 : x
  2. Step 2: Convert to fraction form
    13,272.60/19,896.40 = 4,501.29/x
  3. Step 3: Cross multiply
    13,272.60x = 19,896.40 × 4,501.29
  4. Step 4: Simplify right side
    13,272.60x = 89,559,466.36
  5. Step 5: Solve for x
    x = 89,559,466.36/13,272.60
  6. Step 6: Final answer
    x = 6,747.70

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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.