Home / 19,240.80-28,871.18-14,559.41

Finding the Fourth Proportional to 19,240.80, 28,871.18 and 14,559.41

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Solution

The fourth proportional to 19,240.80, 28,871.18 and 14,559.41 is: 21,846.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,240.80 : 28,871.18 = 14,559.41 : x
  2. Step 2: Convert to fraction form
    19,240.80/28,871.18 = 14,559.41/x
  3. Step 3: Cross multiply
    19,240.80x = 28,871.18 × 14,559.41
  4. Step 4: Simplify right side
    19,240.80x = 420,347,238.85
  5. Step 5: Solve for x
    x = 420,347,238.85/19,240.80
  6. Step 6: Final answer
    x = 21,846.66

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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.