Home / 13,334.73-18,404.19-10,142.91

Finding the Fourth Proportional to 13,334.73, 18,404.19 and 10,142.91

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Solution

The fourth proportional to 13,334.73, 18,404.19 and 10,142.91 is: 13,998.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,334.73 : 18,404.19 = 10,142.91 : x
  2. Step 2: Convert to fraction form
    13,334.73/18,404.19 = 10,142.91/x
  3. Step 3: Cross multiply
    13,334.73x = 18,404.19 × 10,142.91
  4. Step 4: Simplify right side
    13,334.73x = 186,672,042.79
  5. Step 5: Solve for x
    x = 186,672,042.79/13,334.73
  6. Step 6: Final answer
    x = 13,998.94

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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.