Home / 13,276.84-19,916.38-3,416.10

Finding the Fourth Proportional to 13,276.84, 19,916.38 and 3,416.10

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Solution

The fourth proportional to 13,276.84, 19,916.38 and 3,416.10 is: 5,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,276.84 : 19,916.38 = 3,416.10 : x
  2. Step 2: Convert to fraction form
    13,276.84/19,916.38 = 3,416.10/x
  3. Step 3: Cross multiply
    13,276.84x = 19,916.38 × 3,416.10
  4. Step 4: Simplify right side
    13,276.84x = 68,036,345.72
  5. Step 5: Solve for x
    x = 68,036,345.72/13,276.84
  6. Step 6: Final answer
    x = 5,124.44

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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.