Home / 19,401.92-26,753.46-13,103.36

Finding the Fourth Proportional to 19,401.92, 26,753.46 and 13,103.36

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Solution

The fourth proportional to 19,401.92, 26,753.46 and 13,103.36 is: 18,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,401.92 : 26,753.46 = 13,103.36 : x
  2. Step 2: Convert to fraction form
    19,401.92/26,753.46 = 13,103.36/x
  3. Step 3: Cross multiply
    19,401.92x = 26,753.46 × 13,103.36
  4. Step 4: Simplify right side
    19,401.92x = 350,560,217.63
  5. Step 5: Solve for x
    x = 350,560,217.63/19,401.92
  6. Step 6: Final answer
    x = 18,068.33

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1.5x scale

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.