Home / 19,647.90-29,476.82-5,607.99

Finding the Fourth Proportional to 19,647.90, 29,476.82 and 5,607.99

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Solution

The fourth proportional to 19,647.90, 29,476.82 and 5,607.99 is: 8,413.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.90 : 29,476.82 = 5,607.99 : x
  2. Step 2: Convert to fraction form
    19,647.90/29,476.82 = 5,607.99/x
  3. Step 3: Cross multiply
    19,647.90x = 29,476.82 × 5,607.99
  4. Step 4: Simplify right side
    19,647.90x = 165,305,725.81
  5. Step 5: Solve for x
    x = 165,305,725.81/19,647.90
  6. Step 6: Final answer
    x = 8,413.40

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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.