Home / 25,571.69-38,361.67-7,561.75

Finding the Fourth Proportional to 25,571.69, 38,361.67 and 7,561.75

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Solution

The fourth proportional to 25,571.69, 38,361.67 and 7,561.75 is: 11,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,571.69 : 38,361.67 = 7,561.75 : x
  2. Step 2: Convert to fraction form
    25,571.69/38,361.67 = 7,561.75/x
  3. Step 3: Cross multiply
    25,571.69x = 38,361.67 × 7,561.75
  4. Step 4: Simplify right side
    25,571.69x = 290,081,271.67
  5. Step 5: Solve for x
    x = 290,081,271.67/25,571.69
  6. Step 6: Final answer
    x = 11,343.84

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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.