Home / 19,090.30-28,494.94-17,753.26

Finding the Fourth Proportional to 19,090.30, 28,494.94 and 17,753.26

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Solution

The fourth proportional to 19,090.30, 28,494.94 and 17,753.26 is: 26,499.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.30 : 28,494.94 = 17,753.26 : x
  2. Step 2: Convert to fraction form
    19,090.30/28,494.94 = 17,753.26/x
  3. Step 3: Cross multiply
    19,090.30x = 28,494.94 × 17,753.26
  4. Step 4: Simplify right side
    19,090.30x = 505,878,078.50
  5. Step 5: Solve for x
    x = 505,878,078.50/19,090.30
  6. Step 6: Final answer
    x = 26,499.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.