Home / 28,549.59-39,382.16-16,611.54

Finding the Fourth Proportional to 28,549.59, 39,382.16 and 16,611.54

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Solution

The fourth proportional to 28,549.59, 39,382.16 and 16,611.54 is: 22,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,549.59 : 39,382.16 = 16,611.54 : x
  2. Step 2: Convert to fraction form
    28,549.59/39,382.16 = 16,611.54/x
  3. Step 3: Cross multiply
    28,549.59x = 39,382.16 × 16,611.54
  4. Step 4: Simplify right side
    28,549.59x = 654,198,326.13
  5. Step 5: Solve for x
    x = 654,198,326.13/28,549.59
  6. Step 6: Final answer
    x = 22,914.46

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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.