Home / 18,571.47-27,790.65-16,081.25

Finding the Fourth Proportional to 18,571.47, 27,790.65 and 16,081.25

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Solution

The fourth proportional to 18,571.47, 27,790.65 and 16,081.25 is: 24,064.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.47 : 27,790.65 = 16,081.25 : x
  2. Step 2: Convert to fraction form
    18,571.47/27,790.65 = 16,081.25/x
  3. Step 3: Cross multiply
    18,571.47x = 27,790.65 × 16,081.25
  4. Step 4: Simplify right side
    18,571.47x = 446,908,251.36
  5. Step 5: Solve for x
    x = 446,908,251.36/18,571.47
  6. Step 6: Final answer
    x = 24,064.24

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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.