Home / 14,025.54-19,317.62-12,137.21

Finding the Fourth Proportional to 14,025.54, 19,317.62 and 12,137.21

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Solution

The fourth proportional to 14,025.54, 19,317.62 and 12,137.21 is: 16,716.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.54 : 19,317.62 = 12,137.21 : x
  2. Step 2: Convert to fraction form
    14,025.54/19,317.62 = 12,137.21/x
  3. Step 3: Cross multiply
    14,025.54x = 19,317.62 × 12,137.21
  4. Step 4: Simplify right side
    14,025.54x = 234,461,853.37
  5. Step 5: Solve for x
    x = 234,461,853.37/14,025.54
  6. Step 6: Final answer
    x = 16,716.78

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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.