Home / 19,270.44-28,887.90-6,783.66

Finding the Fourth Proportional to 19,270.44, 28,887.90 and 6,783.66

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Solution

The fourth proportional to 19,270.44, 28,887.90 and 6,783.66 is: 10,169.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,270.44 : 28,887.90 = 6,783.66 : x
  2. Step 2: Convert to fraction form
    19,270.44/28,887.90 = 6,783.66/x
  3. Step 3: Cross multiply
    19,270.44x = 28,887.90 × 6,783.66
  4. Step 4: Simplify right side
    19,270.44x = 195,965,691.71
  5. Step 5: Solve for x
    x = 195,965,691.71/19,270.44
  6. Step 6: Final answer
    x = 10,169.24

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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.