Home / 13,155.08-19,732.62-5,362.52

Finding the Fourth Proportional to 13,155.08, 19,732.62 and 5,362.52

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Solution

The fourth proportional to 13,155.08, 19,732.62 and 5,362.52 is: 8,043.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.08 : 19,732.62 = 5,362.52 : x
  2. Step 2: Convert to fraction form
    13,155.08/19,732.62 = 5,362.52/x
  3. Step 3: Cross multiply
    13,155.08x = 19,732.62 × 5,362.52
  4. Step 4: Simplify right side
    13,155.08x = 105,816,569.40
  5. Step 5: Solve for x
    x = 105,816,569.40/13,155.08
  6. Step 6: Final answer
    x = 8,043.78

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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.