Home / 12,966.15-19,452.32-4,201.05

Finding the Fourth Proportional to 12,966.15, 19,452.32 and 4,201.05

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Solution

The fourth proportional to 12,966.15, 19,452.32 and 4,201.05 is: 6,302.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.15 : 19,452.32 = 4,201.05 : x
  2. Step 2: Convert to fraction form
    12,966.15/19,452.32 = 4,201.05/x
  3. Step 3: Cross multiply
    12,966.15x = 19,452.32 × 4,201.05
  4. Step 4: Simplify right side
    12,966.15x = 81,720,147.93
  5. Step 5: Solve for x
    x = 81,720,147.93/12,966.15
  6. Step 6: Final answer
    x = 6,302.58

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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.