Home / 20,018.88-27,625.39-11,066.36

Finding the Fourth Proportional to 20,018.88, 27,625.39 and 11,066.36

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Solution

The fourth proportional to 20,018.88, 27,625.39 and 11,066.36 is: 15,271.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,018.88 : 27,625.39 = 11,066.36 : x
  2. Step 2: Convert to fraction form
    20,018.88/27,625.39 = 11,066.36/x
  3. Step 3: Cross multiply
    20,018.88x = 27,625.39 × 11,066.36
  4. Step 4: Simplify right side
    20,018.88x = 305,712,345.09
  5. Step 5: Solve for x
    x = 305,712,345.09/20,018.88
  6. Step 6: Final answer
    x = 15,271.20

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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.