Home / 14,517.01-21,771.73-3,987.01

Finding the Fourth Proportional to 14,517.01, 21,771.73 and 3,987.01

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Solution

The fourth proportional to 14,517.01, 21,771.73 and 3,987.01 is: 5,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.01 : 21,771.73 = 3,987.01 : x
  2. Step 2: Convert to fraction form
    14,517.01/21,771.73 = 3,987.01/x
  3. Step 3: Cross multiply
    14,517.01x = 21,771.73 × 3,987.01
  4. Step 4: Simplify right side
    14,517.01x = 86,804,105.23
  5. Step 5: Solve for x
    x = 86,804,105.23/14,517.01
  6. Step 6: Final answer
    x = 5,979.48

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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.