Home / 19,447.71-29,171.37-8,914.74

Finding the Fourth Proportional to 19,447.71, 29,171.37 and 8,914.74

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Solution

The fourth proportional to 19,447.71, 29,171.37 and 8,914.74 is: 13,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,447.71 : 29,171.37 = 8,914.74 : x
  2. Step 2: Convert to fraction form
    19,447.71/29,171.37 = 8,914.74/x
  3. Step 3: Cross multiply
    19,447.71x = 29,171.37 × 8,914.74
  4. Step 4: Simplify right side
    19,447.71x = 260,055,178.99
  5. Step 5: Solve for x
    x = 260,055,178.99/19,447.71
  6. Step 6: Final answer
    x = 13,372.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.