Home / 19,982.10-29,920.35-16,014.90

Finding the Fourth Proportional to 19,982.10, 29,920.35 and 16,014.90

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Solution

The fourth proportional to 19,982.10, 29,920.35 and 16,014.90 is: 23,980.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,982.10 : 29,920.35 = 16,014.90 : x
  2. Step 2: Convert to fraction form
    19,982.10/29,920.35 = 16,014.90/x
  3. Step 3: Cross multiply
    19,982.10x = 29,920.35 × 16,014.90
  4. Step 4: Simplify right side
    19,982.10x = 479,171,413.22
  5. Step 5: Solve for x
    x = 479,171,413.22/19,982.10
  6. Step 6: Final answer
    x = 23,980.03

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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.