Home / 14,105.55-19,467.74-8,136.05

Finding the Fourth Proportional to 14,105.55, 19,467.74 and 8,136.05

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Solution

The fourth proportional to 14,105.55, 19,467.74 and 8,136.05 is: 11,228.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105.55 : 19,467.74 = 8,136.05 : x
  2. Step 2: Convert to fraction form
    14,105.55/19,467.74 = 8,136.05/x
  3. Step 3: Cross multiply
    14,105.55x = 19,467.74 × 8,136.05
  4. Step 4: Simplify right side
    14,105.55x = 158,390,514.02
  5. Step 5: Solve for x
    x = 158,390,514.02/14,105.55
  6. Step 6: Final answer
    x = 11,228.95

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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.