Home / 25,271.16-37,912.92-18,163.40

Finding the Fourth Proportional to 25,271.16, 37,912.92 and 18,163.40

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Solution

The fourth proportional to 25,271.16, 37,912.92 and 18,163.40 is: 27,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,271.16 : 37,912.92 = 18,163.40 : x
  2. Step 2: Convert to fraction form
    25,271.16/37,912.92 = 18,163.40/x
  3. Step 3: Cross multiply
    25,271.16x = 37,912.92 × 18,163.40
  4. Step 4: Simplify right side
    25,271.16x = 688,627,531.13
  5. Step 5: Solve for x
    x = 688,627,531.13/25,271.16
  6. Step 6: Final answer
    x = 27,249.54

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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.