Home / 14,240.11-19,660.59-12,745.43

Finding the Fourth Proportional to 14,240.11, 19,660.59 and 12,745.43

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Solution

The fourth proportional to 14,240.11, 19,660.59 and 12,745.43 is: 17,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,240.11 : 19,660.59 = 12,745.43 : x
  2. Step 2: Convert to fraction form
    14,240.11/19,660.59 = 12,745.43/x
  3. Step 3: Cross multiply
    14,240.11x = 19,660.59 × 12,745.43
  4. Step 4: Simplify right side
    14,240.11x = 250,582,673.60
  5. Step 5: Solve for x
    x = 250,582,673.60/14,240.11
  6. Step 6: Final answer
    x = 17,596.96

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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.