Home / 13,008.54-19,512.60-3,774.54

Finding the Fourth Proportional to 13,008.54, 19,512.60 and 3,774.54

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Solution

The fourth proportional to 13,008.54, 19,512.60 and 3,774.54 is: 5,661.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.54 : 19,512.60 = 3,774.54 : x
  2. Step 2: Convert to fraction form
    13,008.54/19,512.60 = 3,774.54/x
  3. Step 3: Cross multiply
    13,008.54x = 19,512.60 × 3,774.54
  4. Step 4: Simplify right side
    13,008.54x = 73,651,089.20
  5. Step 5: Solve for x
    x = 73,651,089.20/13,008.54
  6. Step 6: Final answer
    x = 5,661.75

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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.