Home / 20,062.93-27,686.88-11,111.14

Finding the Fourth Proportional to 20,062.93, 27,686.88 and 11,111.14

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Solution

The fourth proportional to 20,062.93, 27,686.88 and 11,111.14 is: 15,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,062.93 : 27,686.88 = 11,111.14 : x
  2. Step 2: Convert to fraction form
    20,062.93/27,686.88 = 11,111.14/x
  3. Step 3: Cross multiply
    20,062.93x = 27,686.88 × 11,111.14
  4. Step 4: Simplify right side
    20,062.93x = 307,632,799.84
  5. Step 5: Solve for x
    x = 307,632,799.84/20,062.93
  6. Step 6: Final answer
    x = 15,333.39

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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.