Home / 19,859.96-29,905.34-14,350.88

Finding the Fourth Proportional to 19,859.96, 29,905.34 and 14,350.88

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Solution

The fourth proportional to 19,859.96, 29,905.34 and 14,350.88 is: 21,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.96 : 29,905.34 = 14,350.88 : x
  2. Step 2: Convert to fraction form
    19,859.96/29,905.34 = 14,350.88/x
  3. Step 3: Cross multiply
    19,859.96x = 29,905.34 × 14,350.88
  4. Step 4: Simplify right side
    19,859.96x = 429,167,945.70
  5. Step 5: Solve for x
    x = 429,167,945.70/19,859.96
  6. Step 6: Final answer
    x = 21,609.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.