Home / 13,041.53-19,571.51-5,144.30

Finding the Fourth Proportional to 13,041.53, 19,571.51 and 5,144.30

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Solution

The fourth proportional to 13,041.53, 19,571.51 and 5,144.30 is: 7,720.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,041.53 : 19,571.51 = 5,144.30 : x
  2. Step 2: Convert to fraction form
    13,041.53/19,571.51 = 5,144.30/x
  3. Step 3: Cross multiply
    13,041.53x = 19,571.51 × 5,144.30
  4. Step 4: Simplify right side
    13,041.53x = 100,681,704.29
  5. Step 5: Solve for x
    x = 100,681,704.29/13,041.53
  6. Step 6: Final answer
    x = 7,720.09

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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.