Home / 19,241.30-28,871.93-14,559.90

Finding the Fourth Proportional to 19,241.30, 28,871.93 and 14,559.90

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Solution

The fourth proportional to 19,241.30, 28,871.93 and 14,559.90 is: 21,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,241.30 : 28,871.93 = 14,559.90 : x
  2. Step 2: Convert to fraction form
    19,241.30/28,871.93 = 14,559.90/x
  3. Step 3: Cross multiply
    19,241.30x = 28,871.93 × 14,559.90
  4. Step 4: Simplify right side
    19,241.30x = 420,372,413.61
  5. Step 5: Solve for x
    x = 420,372,413.61/19,241.30
  6. Step 6: Final answer
    x = 21,847.40

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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.