Home / 19,081.37-28,635.73-14,136.12

Finding the Fourth Proportional to 19,081.37, 28,635.73 and 14,136.12

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Solution

The fourth proportional to 19,081.37, 28,635.73 and 14,136.12 is: 21,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.37 : 28,635.73 = 14,136.12 : x
  2. Step 2: Convert to fraction form
    19,081.37/28,635.73 = 14,136.12/x
  3. Step 3: Cross multiply
    19,081.37x = 28,635.73 × 14,136.12
  4. Step 4: Simplify right side
    19,081.37x = 404,798,080.23
  5. Step 5: Solve for x
    x = 404,798,080.23/19,081.37
  6. Step 6: Final answer
    x = 21,214.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.