Home / 19,081.58-26,338.77-12,355.34

Finding the Fourth Proportional to 19,081.58, 26,338.77 and 12,355.34

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Solution

The fourth proportional to 19,081.58, 26,338.77 and 12,355.34 is: 17,054.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,081.58 : 26,338.77 = 12,355.34 : x
  2. Step 2: Convert to fraction form
    19,081.58/26,338.77 = 12,355.34/x
  3. Step 3: Cross multiply
    19,081.58x = 26,338.77 × 12,355.34
  4. Step 4: Simplify right side
    19,081.58x = 325,424,326.84
  5. Step 5: Solve for x
    x = 325,424,326.84/19,081.58
  6. Step 6: Final answer
    x = 17,054.37

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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.