Home / 14,662.05-20,233.70-14,132.31

Finding the Fourth Proportional to 14,662.05, 20,233.70 and 14,132.31

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Solution

The fourth proportional to 14,662.05, 20,233.70 and 14,132.31 is: 19,502.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,662.05 : 20,233.70 = 14,132.31 : x
  2. Step 2: Convert to fraction form
    14,662.05/20,233.70 = 14,132.31/x
  3. Step 3: Cross multiply
    14,662.05x = 20,233.70 × 14,132.31
  4. Step 4: Simplify right side
    14,662.05x = 285,948,920.85
  5. Step 5: Solve for x
    x = 285,948,920.85/14,662.05
  6. Step 6: Final answer
    x = 19,502.66

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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.