Home / 19,136.56-26,401.92-11,961.58

Finding the Fourth Proportional to 19,136.56, 26,401.92 and 11,961.58

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Solution

The fourth proportional to 19,136.56, 26,401.92 and 11,961.58 is: 16,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,136.56 : 26,401.92 = 11,961.58 : x
  2. Step 2: Convert to fraction form
    19,136.56/26,401.92 = 11,961.58/x
  3. Step 3: Cross multiply
    19,136.56x = 26,401.92 × 11,961.58
  4. Step 4: Simplify right side
    19,136.56x = 315,808,678.23
  5. Step 5: Solve for x
    x = 315,808,678.23/19,136.56
  6. Step 6: Final answer
    x = 16,502.90

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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.