Home / 19,384.98-29,078.07-5,345.25

Finding the Fourth Proportional to 19,384.98, 29,078.07 and 5,345.25

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Solution

The fourth proportional to 19,384.98, 29,078.07 and 5,345.25 is: 8,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,384.98 : 29,078.07 = 5,345.25 : x
  2. Step 2: Convert to fraction form
    19,384.98/29,078.07 = 5,345.25/x
  3. Step 3: Cross multiply
    19,384.98x = 29,078.07 × 5,345.25
  4. Step 4: Simplify right side
    19,384.98x = 155,429,553.67
  5. Step 5: Solve for x
    x = 155,429,553.67/19,384.98
  6. Step 6: Final answer
    x = 8,018.04

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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.