Home / 19,040.34-26,272.55-11,961.75

Finding the Fourth Proportional to 19,040.34, 26,272.55 and 11,961.75

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Solution

The fourth proportional to 19,040.34, 26,272.55 and 11,961.75 is: 16,505.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.34 : 26,272.55 = 11,961.75 : x
  2. Step 2: Convert to fraction form
    19,040.34/26,272.55 = 11,961.75/x
  3. Step 3: Cross multiply
    19,040.34x = 26,272.55 × 11,961.75
  4. Step 4: Simplify right side
    19,040.34x = 314,265,615.15
  5. Step 5: Solve for x
    x = 314,265,615.15/19,040.34
  6. Step 6: Final answer
    x = 16,505.25

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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.