Home / 14,089.41-19,424.97-12,121.11

Finding the Fourth Proportional to 14,089.41, 19,424.97 and 12,121.11

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Solution

The fourth proportional to 14,089.41, 19,424.97 and 12,121.11 is: 16,711.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,089.41 : 19,424.97 = 12,121.11 : x
  2. Step 2: Convert to fraction form
    14,089.41/19,424.97 = 12,121.11/x
  3. Step 3: Cross multiply
    14,089.41x = 19,424.97 × 12,121.11
  4. Step 4: Simplify right side
    14,089.41x = 235,452,198.12
  5. Step 5: Solve for x
    x = 235,452,198.12/14,089.41
  6. Step 6: Final answer
    x = 16,711.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.