Home / 28,199.09-42,284.82-11,554.61

Finding the Fourth Proportional to 28,199.09, 42,284.82 and 11,554.61

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Solution

The fourth proportional to 28,199.09, 42,284.82 and 11,554.61 is: 17,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,199.09 : 42,284.82 = 11,554.61 : x
  2. Step 2: Convert to fraction form
    28,199.09/42,284.82 = 11,554.61/x
  3. Step 3: Cross multiply
    28,199.09x = 42,284.82 × 11,554.61
  4. Step 4: Simplify right side
    28,199.09x = 488,584,604.02
  5. Step 5: Solve for x
    x = 488,584,604.02/28,199.09
  6. Step 6: Final answer
    x = 17,326.25

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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.