Home / 20,054.48-27,675.42-11,102.81

Finding the Fourth Proportional to 20,054.48, 27,675.42 and 11,102.81

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Solution

The fourth proportional to 20,054.48, 27,675.42 and 11,102.81 is: 15,322.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.48 : 27,675.42 = 11,102.81 : x
  2. Step 2: Convert to fraction form
    20,054.48/27,675.42 = 11,102.81/x
  3. Step 3: Cross multiply
    20,054.48x = 27,675.42 × 11,102.81
  4. Step 4: Simplify right side
    20,054.48x = 307,274,791.55
  5. Step 5: Solve for x
    x = 307,274,791.55/20,054.48
  6. Step 6: Final answer
    x = 15,322.01

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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.