Home / 14,021.40-19,433.09-13,758.96

Finding the Fourth Proportional to 14,021.40, 19,433.09 and 13,758.96

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Solution

The fourth proportional to 14,021.40, 19,433.09 and 13,758.96 is: 19,069.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.40 : 19,433.09 = 13,758.96 : x
  2. Step 2: Convert to fraction form
    14,021.40/19,433.09 = 13,758.96/x
  3. Step 3: Cross multiply
    14,021.40x = 19,433.09 × 13,758.96
  4. Step 4: Simplify right side
    14,021.40x = 267,379,176.56
  5. Step 5: Solve for x
    x = 267,379,176.56/14,021.40
  6. Step 6: Final answer
    x = 19,069.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.