Home / 19,090.13-28,635.73-5,239.13

Finding the Fourth Proportional to 19,090.13, 28,635.73 and 5,239.13

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Solution

The fourth proportional to 19,090.13, 28,635.73 and 5,239.13 is: 7,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,090.13 : 28,635.73 = 5,239.13 : x
  2. Step 2: Convert to fraction form
    19,090.13/28,635.73 = 5,239.13/x
  3. Step 3: Cross multiply
    19,090.13x = 28,635.73 × 5,239.13
  4. Step 4: Simplify right side
    19,090.13x = 150,026,168.94
  5. Step 5: Solve for x
    x = 150,026,168.94/19,090.13
  6. Step 6: Final answer
    x = 7,858.84

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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.