Home / 14,789.71-22,071.36-13,211.99

Finding the Fourth Proportional to 14,789.71, 22,071.36 and 13,211.99

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Solution

The fourth proportional to 14,789.71, 22,071.36 and 13,211.99 is: 19,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,789.71 : 22,071.36 = 13,211.99 : x
  2. Step 2: Convert to fraction form
    14,789.71/22,071.36 = 13,211.99/x
  3. Step 3: Cross multiply
    14,789.71x = 22,071.36 × 13,211.99
  4. Step 4: Simplify right side
    14,789.71x = 291,606,692.33
  5. Step 5: Solve for x
    x = 291,606,692.33/14,789.71
  6. Step 6: Final answer
    x = 19,716.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.