Home / 19,261.90-28,893.66-6,112.90

Finding the Fourth Proportional to 19,261.90, 28,893.66 and 6,112.90

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Solution

The fourth proportional to 19,261.90, 28,893.66 and 6,112.90 is: 9,169.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,261.90 : 28,893.66 = 6,112.90 : x
  2. Step 2: Convert to fraction form
    19,261.90/28,893.66 = 6,112.90/x
  3. Step 3: Cross multiply
    19,261.90x = 28,893.66 × 6,112.90
  4. Step 4: Simplify right side
    19,261.90x = 176,624,054.21
  5. Step 5: Solve for x
    x = 176,624,054.21/19,261.90
  6. Step 6: Final answer
    x = 9,169.61

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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.