Home / 19,575.35-27,025.67-12,872.19

Finding the Fourth Proportional to 19,575.35, 27,025.67 and 12,872.19

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Solution

The fourth proportional to 19,575.35, 27,025.67 and 12,872.19 is: 17,771.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,575.35 : 27,025.67 = 12,872.19 : x
  2. Step 2: Convert to fraction form
    19,575.35/27,025.67 = 12,872.19/x
  3. Step 3: Cross multiply
    19,575.35x = 27,025.67 × 12,872.19
  4. Step 4: Simplify right side
    19,575.35x = 347,879,591.30
  5. Step 5: Solve for x
    x = 347,879,591.30/19,575.35
  6. Step 6: Final answer
    x = 17,771.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.