Home / 19,753.15-27,261.86-11,258.33

Finding the Fourth Proportional to 19,753.15, 27,261.86 and 11,258.33

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Solution

The fourth proportional to 19,753.15, 27,261.86 and 11,258.33 is: 15,537.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753.15 : 27,261.86 = 11,258.33 : x
  2. Step 2: Convert to fraction form
    19,753.15/27,261.86 = 11,258.33/x
  3. Step 3: Cross multiply
    19,753.15x = 27,261.86 × 11,258.33
  4. Step 4: Simplify right side
    19,753.15x = 306,922,823.69
  5. Step 5: Solve for x
    x = 306,922,823.69/19,753.15
  6. Step 6: Final answer
    x = 15,537.92

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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.