Home / 19,090.35-26,369.91-15,914.03

Finding the Fourth Proportional to 19,090.35, 26,369.91 and 15,914.03

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Solution

The fourth proportional to 19,090.35, 26,369.91 and 15,914.03 is: 21,982.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.35 : 26,369.91 = 15,914.03 : x
  2. Step 2: Convert to fraction form
    19,090.35/26,369.91 = 15,914.03/x
  3. Step 3: Cross multiply
    19,090.35x = 26,369.91 × 15,914.03
  4. Step 4: Simplify right side
    19,090.35x = 419,651,406.99
  5. Step 5: Solve for x
    x = 419,651,406.99/19,090.35
  6. Step 6: Final answer
    x = 21,982.38

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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.