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Finding the Fourth Proportional to 19,014, 26,250.84 and 12,401.52

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Solution

The fourth proportional to 19,014, 26,250.84 and 12,401.52 is: 17,121.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014 : 26,250.84 = 12,401.52 : x
  2. Step 2: Convert to fraction form
    19,014/26,250.84 = 12,401.52/x
  3. Step 3: Cross multiply
    19,014x = 26,250.84 × 12,401.52
  4. Step 4: Simplify right side
    19,014x = 325,550,317.28
  5. Step 5: Solve for x
    x = 325,550,317.28/19,014
  6. Step 6: Final answer
    x = 17,121.61

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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.