Home / 14,429.95-19,914.33-8,057.79

Finding the Fourth Proportional to 14,429.95, 19,914.33 and 8,057.79

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Solution

The fourth proportional to 14,429.95, 19,914.33 and 8,057.79 is: 11,120.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,429.95 : 19,914.33 = 8,057.79 : x
  2. Step 2: Convert to fraction form
    14,429.95/19,914.33 = 8,057.79/x
  3. Step 3: Cross multiply
    14,429.95x = 19,914.33 × 8,057.79
  4. Step 4: Simplify right side
    14,429.95x = 160,465,489.13
  5. Step 5: Solve for x
    x = 160,465,489.13/14,429.95
  6. Step 6: Final answer
    x = 11,120.31

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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.