Home / 13,028.58-19,542.06-5,627.84

Finding the Fourth Proportional to 13,028.58, 19,542.06 and 5,627.84

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Solution

The fourth proportional to 13,028.58, 19,542.06 and 5,627.84 is: 8,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028.58 : 19,542.06 = 5,627.84 : x
  2. Step 2: Convert to fraction form
    13,028.58/19,542.06 = 5,627.84/x
  3. Step 3: Cross multiply
    13,028.58x = 19,542.06 × 5,627.84
  4. Step 4: Simplify right side
    13,028.58x = 109,979,489.24
  5. Step 5: Solve for x
    x = 109,979,489.24/13,028.58
  6. Step 6: Final answer
    x = 8,441.40

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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.