Home / 13,125.94-19,688.99-3,265.22

Finding the Fourth Proportional to 13,125.94, 19,688.99 and 3,265.22

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Solution

The fourth proportional to 13,125.94, 19,688.99 and 3,265.22 is: 4,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125.94 : 19,688.99 = 3,265.22 : x
  2. Step 2: Convert to fraction form
    13,125.94/19,688.99 = 3,265.22/x
  3. Step 3: Cross multiply
    13,125.94x = 19,688.99 × 3,265.22
  4. Step 4: Simplify right side
    13,125.94x = 64,288,916.82
  5. Step 5: Solve for x
    x = 64,288,916.82/13,125.94
  6. Step 6: Final answer
    x = 4,897.85

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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.