Home / 19,451.58-26,842.47-11,910.48

Finding the Fourth Proportional to 19,451.58, 26,842.47 and 11,910.48

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Solution

The fourth proportional to 19,451.58, 26,842.47 and 11,910.48 is: 16,436.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.58 : 26,842.47 = 11,910.48 : x
  2. Step 2: Convert to fraction form
    19,451.58/26,842.47 = 11,910.48/x
  3. Step 3: Cross multiply
    19,451.58x = 26,842.47 × 11,910.48
  4. Step 4: Simplify right side
    19,451.58x = 319,706,702.09
  5. Step 5: Solve for x
    x = 319,706,702.09/19,451.58
  6. Step 6: Final answer
    x = 16,436.03

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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.