Home / 13,032.88-19,548.35-4,147.86

Finding the Fourth Proportional to 13,032.88, 19,548.35 and 4,147.86

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Solution

The fourth proportional to 13,032.88, 19,548.35 and 4,147.86 is: 6,221.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,032.88 : 19,548.35 = 4,147.86 : x
  2. Step 2: Convert to fraction form
    13,032.88/19,548.35 = 4,147.86/x
  3. Step 3: Cross multiply
    13,032.88x = 19,548.35 × 4,147.86
  4. Step 4: Simplify right side
    13,032.88x = 81,083,819.03
  5. Step 5: Solve for x
    x = 81,083,819.03/13,032.88
  6. Step 6: Final answer
    x = 6,221.48

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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.