Home / 19,136.36-26,408.16-10,638.22

Finding the Fourth Proportional to 19,136.36, 26,408.16 and 10,638.22

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Solution

The fourth proportional to 19,136.36, 26,408.16 and 10,638.22 is: 14,680.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.36 : 26,408.16 = 10,638.22 : x
  2. Step 2: Convert to fraction form
    19,136.36/26,408.16 = 10,638.22/x
  3. Step 3: Cross multiply
    19,136.36x = 26,408.16 × 10,638.22
  4. Step 4: Simplify right side
    19,136.36x = 280,935,815.88
  5. Step 5: Solve for x
    x = 280,935,815.88/19,136.36
  6. Step 6: Final answer
    x = 14,680.73

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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.