Home / 25,734.09-38,588.81-12,571.05

Finding the Fourth Proportional to 25,734.09, 38,588.81 and 12,571.05

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Solution

The fourth proportional to 25,734.09, 38,588.81 and 12,571.05 is: 18,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,734.09 : 38,588.81 = 12,571.05 : x
  2. Step 2: Convert to fraction form
    25,734.09/38,588.81 = 12,571.05/x
  3. Step 3: Cross multiply
    25,734.09x = 38,588.81 × 12,571.05
  4. Step 4: Simplify right side
    25,734.09x = 485,101,797.10
  5. Step 5: Solve for x
    x = 485,101,797.10/25,734.09
  6. Step 6: Final answer
    x = 18,850.55

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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.