Home / 19,046.34-28,562.82-5,715.36

Finding the Fourth Proportional to 19,046.34, 28,562.82 and 5,715.36

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Solution

The fourth proportional to 19,046.34, 28,562.82 and 5,715.36 is: 8,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,046.34 : 28,562.82 = 5,715.36 : x
  2. Step 2: Convert to fraction form
    19,046.34/28,562.82 = 5,715.36/x
  3. Step 3: Cross multiply
    19,046.34x = 28,562.82 × 5,715.36
  4. Step 4: Simplify right side
    19,046.34x = 163,246,798.92
  5. Step 5: Solve for x
    x = 163,246,798.92/19,046.34
  6. Step 6: Final answer
    x = 8,571.03

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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.