Home / 18,227.12-25,153.49-10,571.90

Finding the Fourth Proportional to 18,227.12, 25,153.49 and 10,571.90

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Solution

The fourth proportional to 18,227.12, 25,153.49 and 10,571.90 is: 14,589.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.12 : 25,153.49 = 10,571.90 : x
  2. Step 2: Convert to fraction form
    18,227.12/25,153.49 = 10,571.90/x
  3. Step 3: Cross multiply
    18,227.12x = 25,153.49 × 10,571.90
  4. Step 4: Simplify right side
    18,227.12x = 265,920,081.59
  5. Step 5: Solve for x
    x = 265,920,081.59/18,227.12
  6. Step 6: Final answer
    x = 14,589.26

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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.