Home / 19,326.15-28,945.22-11,518.83

Finding the Fourth Proportional to 19,326.15, 28,945.22 and 11,518.83

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Solution

The fourth proportional to 19,326.15, 28,945.22 and 11,518.83 is: 17,252.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,326.15 : 28,945.22 = 11,518.83 : x
  2. Step 2: Convert to fraction form
    19,326.15/28,945.22 = 11,518.83/x
  3. Step 3: Cross multiply
    19,326.15x = 28,945.22 × 11,518.83
  4. Step 4: Simplify right side
    19,326.15x = 333,415,010.90
  5. Step 5: Solve for x
    x = 333,415,010.90/19,326.15
  6. Step 6: Final answer
    x = 17,252.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.