Home / 13,238.48-19,855.38-4,916.54

Finding the Fourth Proportional to 13,238.48, 19,855.38 and 4,916.54

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Solution

The fourth proportional to 13,238.48, 19,855.38 and 4,916.54 is: 7,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.48 : 19,855.38 = 4,916.54 : x
  2. Step 2: Convert to fraction form
    13,238.48/19,855.38 = 4,916.54/x
  3. Step 3: Cross multiply
    13,238.48x = 19,855.38 × 4,916.54
  4. Step 4: Simplify right side
    13,238.48x = 97,619,769.99
  5. Step 5: Solve for x
    x = 97,619,769.99/13,238.48
  6. Step 6: Final answer
    x = 7,373.94

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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.