Home / 14,212.29-19,609.97-10,242.21

Finding the Fourth Proportional to 14,212.29, 19,609.97 and 10,242.21

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Solution

The fourth proportional to 14,212.29, 19,609.97 and 10,242.21 is: 14,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.29 : 19,609.97 = 10,242.21 : x
  2. Step 2: Convert to fraction form
    14,212.29/19,609.97 = 10,242.21/x
  3. Step 3: Cross multiply
    14,212.29x = 19,609.97 × 10,242.21
  4. Step 4: Simplify right side
    14,212.29x = 200,849,379.62
  5. Step 5: Solve for x
    x = 200,849,379.62/14,212.29
  6. Step 6: Final answer
    x = 14,132.09

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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.