Home / 13,003.90-19,467.55-8,057.64

Finding the Fourth Proportional to 13,003.90, 19,467.55 and 8,057.64

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Solution

The fourth proportional to 13,003.90, 19,467.55 and 8,057.64 is: 12,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,003.90 : 19,467.55 = 8,057.64 : x
  2. Step 2: Convert to fraction form
    13,003.90/19,467.55 = 8,057.64/x
  3. Step 3: Cross multiply
    13,003.90x = 19,467.55 × 8,057.64
  4. Step 4: Simplify right side
    13,003.90x = 156,862,509.58
  5. Step 5: Solve for x
    x = 156,862,509.58/13,003.90
  6. Step 6: Final answer
    x = 12,062.73

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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.