Home / 14,072.57-21,077.58-10,111.94

Finding the Fourth Proportional to 14,072.57, 21,077.58 and 10,111.94

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Solution

The fourth proportional to 14,072.57, 21,077.58 and 10,111.94 is: 15,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.57 : 21,077.58 = 10,111.94 : x
  2. Step 2: Convert to fraction form
    14,072.57/21,077.58 = 10,111.94/x
  3. Step 3: Cross multiply
    14,072.57x = 21,077.58 × 10,111.94
  4. Step 4: Simplify right side
    14,072.57x = 213,135,235.88
  5. Step 5: Solve for x
    x = 213,135,235.88/14,072.57
  6. Step 6: Final answer
    x = 15,145.44

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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.