Home / 14,113.20-21,194.10-13,675.80

Finding the Fourth Proportional to 14,113.20, 21,194.10 and 13,675.80

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Solution

The fourth proportional to 14,113.20, 21,194.10 and 13,675.80 is: 20,537.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.20 : 21,194.10 = 13,675.80 : x
  2. Step 2: Convert to fraction form
    14,113.20/21,194.10 = 13,675.80/x
  3. Step 3: Cross multiply
    14,113.20x = 21,194.10 × 13,675.80
  4. Step 4: Simplify right side
    14,113.20x = 289,846,272.78
  5. Step 5: Solve for x
    x = 289,846,272.78/14,113.20
  6. Step 6: Final answer
    x = 20,537.25

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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.