Home / 19,615.22-27,071.26-11,657.37

Finding the Fourth Proportional to 19,615.22, 27,071.26 and 11,657.37

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Solution

The fourth proportional to 19,615.22, 27,071.26 and 11,657.37 is: 16,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,615.22 : 27,071.26 = 11,657.37 : x
  2. Step 2: Convert to fraction form
    19,615.22/27,071.26 = 11,657.37/x
  3. Step 3: Cross multiply
    19,615.22x = 27,071.26 × 11,657.37
  4. Step 4: Simplify right side
    19,615.22x = 315,579,694.19
  5. Step 5: Solve for x
    x = 315,579,694.19/19,615.22
  6. Step 6: Final answer
    x = 16,088.52

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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.