Home / 14,099.44-21,118.71-13,271.33

Finding the Fourth Proportional to 14,099.44, 21,118.71 and 13,271.33

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Solution

The fourth proportional to 14,099.44, 21,118.71 and 13,271.33 is: 19,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,099.44 : 21,118.71 = 13,271.33 : x
  2. Step 2: Convert to fraction form
    14,099.44/21,118.71 = 13,271.33/x
  3. Step 3: Cross multiply
    14,099.44x = 21,118.71 × 13,271.33
  4. Step 4: Simplify right side
    14,099.44x = 280,273,369.58
  5. Step 5: Solve for x
    x = 280,273,369.58/14,099.44
  6. Step 6: Final answer
    x = 19,878.33

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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.