Home / 25,912.44-38,878.38-9,271.80

Finding the Fourth Proportional to 25,912.44, 38,878.38 and 9,271.80

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Solution

The fourth proportional to 25,912.44, 38,878.38 and 9,271.80 is: 13,911.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,912.44 : 38,878.38 = 9,271.80 : x
  2. Step 2: Convert to fraction form
    25,912.44/38,878.38 = 9,271.80/x
  3. Step 3: Cross multiply
    25,912.44x = 38,878.38 × 9,271.80
  4. Step 4: Simplify right side
    25,912.44x = 360,472,563.68
  5. Step 5: Solve for x
    x = 360,472,563.68/25,912.44
  6. Step 6: Final answer
    x = 13,911.18

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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.