Home / 19,699.40-27,184.25-11,201.33

Finding the Fourth Proportional to 19,699.40, 27,184.25 and 11,201.33

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Solution

The fourth proportional to 19,699.40, 27,184.25 and 11,201.33 is: 15,457.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,699.40 : 27,184.25 = 11,201.33 : x
  2. Step 2: Convert to fraction form
    19,699.40/27,184.25 = 11,201.33/x
  3. Step 3: Cross multiply
    19,699.40x = 27,184.25 × 11,201.33
  4. Step 4: Simplify right side
    19,699.40x = 304,499,563.12
  5. Step 5: Solve for x
    x = 304,499,563.12/19,699.40
  6. Step 6: Final answer
    x = 15,457.31

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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.