Home / 19,619.27-27,074.48-11,123.00

Finding the Fourth Proportional to 19,619.27, 27,074.48 and 11,123.00

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Solution

The fourth proportional to 19,619.27, 27,074.48 and 11,123.00 is: 15,349.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.27 : 27,074.48 = 11,123.00 : x
  2. Step 2: Convert to fraction form
    19,619.27/27,074.48 = 11,123.00/x
  3. Step 3: Cross multiply
    19,619.27x = 27,074.48 × 11,123.00
  4. Step 4: Simplify right side
    19,619.27x = 301,149,351.58
  5. Step 5: Solve for x
    x = 301,149,351.58/19,619.27
  6. Step 6: Final answer
    x = 15,349.67

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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.