Home / 13,276.97-19,916.48-3,416.34

Finding the Fourth Proportional to 13,276.97, 19,916.48 and 3,416.34

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Solution

The fourth proportional to 13,276.97, 19,916.48 and 3,416.34 is: 5,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.97 : 19,916.48 = 3,416.34 : x
  2. Step 2: Convert to fraction form
    13,276.97/19,916.48 = 3,416.34/x
  3. Step 3: Cross multiply
    13,276.97x = 19,916.48 × 3,416.34
  4. Step 4: Simplify right side
    13,276.97x = 68,041,467.28
  5. Step 5: Solve for x
    x = 68,041,467.28/13,276.97
  6. Step 6: Final answer
    x = 5,124.77

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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.