Home / 21,609.00-32,413.17-13,177.98

Finding the Fourth Proportional to 21,609.00, 32,413.17 and 13,177.98

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Solution

The fourth proportional to 21,609.00, 32,413.17 and 13,177.98 is: 19,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,609.00 : 32,413.17 = 13,177.98 : x
  2. Step 2: Convert to fraction form
    21,609.00/32,413.17 = 13,177.98/x
  3. Step 3: Cross multiply
    21,609.00x = 32,413.17 × 13,177.98
  4. Step 4: Simplify right side
    21,609.00x = 427,139,943.93
  5. Step 5: Solve for x
    x = 427,139,943.93/21,609.00
  6. Step 6: Final answer
    x = 19,766.77

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1.5x scale

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.