Home / 15,571.56-23,361.40-5,183.40

Finding the Fourth Proportional to 15,571.56, 23,361.40 and 5,183.40

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Solution

The fourth proportional to 15,571.56, 23,361.40 and 5,183.40 is: 7,776.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571.56 : 23,361.40 = 5,183.40 : x
  2. Step 2: Convert to fraction form
    15,571.56/23,361.40 = 5,183.40/x
  3. Step 3: Cross multiply
    15,571.56x = 23,361.40 × 5,183.40
  4. Step 4: Simplify right side
    15,571.56x = 121,091,480.76
  5. Step 5: Solve for x
    x = 121,091,480.76/15,571.56
  6. Step 6: Final answer
    x = 7,776.45

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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.