Home / 19,979.36-27,583.44-17,765.28

Finding the Fourth Proportional to 19,979.36, 27,583.44 and 17,765.28

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Solution

The fourth proportional to 19,979.36, 27,583.44 and 17,765.28 is: 24,526.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,979.36 : 27,583.44 = 17,765.28 : x
  2. Step 2: Convert to fraction form
    19,979.36/27,583.44 = 17,765.28/x
  3. Step 3: Cross multiply
    19,979.36x = 27,583.44 × 17,765.28
  4. Step 4: Simplify right side
    19,979.36x = 490,027,534.96
  5. Step 5: Solve for x
    x = 490,027,534.96/19,979.36
  6. Step 6: Final answer
    x = 24,526.69

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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.