Home / 14,042.34-19,404.09-13,358.97

Finding the Fourth Proportional to 14,042.34, 19,404.09 and 13,358.97

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Solution

The fourth proportional to 14,042.34, 19,404.09 and 13,358.97 is: 18,459.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.34 : 19,404.09 = 13,358.97 : x
  2. Step 2: Convert to fraction form
    14,042.34/19,404.09 = 13,358.97/x
  3. Step 3: Cross multiply
    14,042.34x = 19,404.09 × 13,358.97
  4. Step 4: Simplify right side
    14,042.34x = 259,218,656.19
  5. Step 5: Solve for x
    x = 259,218,656.19/14,042.34
  6. Step 6: Final answer
    x = 18,459.79

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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.