Home / 20,066.90-27,695.75-11,567.48

Finding the Fourth Proportional to 20,066.90, 27,695.75 and 11,567.48

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Solution

The fourth proportional to 20,066.90, 27,695.75 and 11,567.48 is: 15,965.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.90 : 27,695.75 = 11,567.48 : x
  2. Step 2: Convert to fraction form
    20,066.90/27,695.75 = 11,567.48/x
  3. Step 3: Cross multiply
    20,066.90x = 27,695.75 × 11,567.48
  4. Step 4: Simplify right side
    20,066.90x = 320,369,837.89
  5. Step 5: Solve for x
    x = 320,369,837.89/20,066.90
  6. Step 6: Final answer
    x = 15,965.09

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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.