Home / 16,378.98-24,531.39-13,426.44

Finding the Fourth Proportional to 16,378.98, 24,531.39 and 13,426.44

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Solution

The fourth proportional to 16,378.98, 24,531.39 and 13,426.44 is: 20,109.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.98 : 24,531.39 = 13,426.44 : x
  2. Step 2: Convert to fraction form
    16,378.98/24,531.39 = 13,426.44/x
  3. Step 3: Cross multiply
    16,378.98x = 24,531.39 × 13,426.44
  4. Step 4: Simplify right side
    16,378.98x = 329,369,235.95
  5. Step 5: Solve for x
    x = 329,369,235.95/16,378.98
  6. Step 6: Final answer
    x = 20,109.26

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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.