Home / 19,255.29-26,564.39-11,700.42

Finding the Fourth Proportional to 19,255.29, 26,564.39 and 11,700.42

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Solution

The fourth proportional to 19,255.29, 26,564.39 and 11,700.42 is: 16,141.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,255.29 : 26,564.39 = 11,700.42 : x
  2. Step 2: Convert to fraction form
    19,255.29/26,564.39 = 11,700.42/x
  3. Step 3: Cross multiply
    19,255.29x = 26,564.39 × 11,700.42
  4. Step 4: Simplify right side
    19,255.29x = 310,814,405.80
  5. Step 5: Solve for x
    x = 310,814,405.80/19,255.29
  6. Step 6: Final answer
    x = 16,141.77

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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.