Home / 13,298.92-19,948.32-3,437.36

Finding the Fourth Proportional to 13,298.92, 19,948.32 and 3,437.36

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Solution

The fourth proportional to 13,298.92, 19,948.32 and 3,437.36 is: 5,156.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298.92 : 19,948.32 = 3,437.36 : x
  2. Step 2: Convert to fraction form
    13,298.92/19,948.32 = 3,437.36/x
  3. Step 3: Cross multiply
    13,298.92x = 19,948.32 × 3,437.36
  4. Step 4: Simplify right side
    13,298.92x = 68,569,557.24
  5. Step 5: Solve for x
    x = 68,569,557.24/13,298.92
  6. Step 6: Final answer
    x = 5,156.02

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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.