Home / 19,327.86-28,991.33-6,180.35

Finding the Fourth Proportional to 19,327.86, 28,991.33 and 6,180.35

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Solution

The fourth proportional to 19,327.86, 28,991.33 and 6,180.35 is: 9,270.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,327.86 : 28,991.33 = 6,180.35 : x
  2. Step 2: Convert to fraction form
    19,327.86/28,991.33 = 6,180.35/x
  3. Step 3: Cross multiply
    19,327.86x = 28,991.33 × 6,180.35
  4. Step 4: Simplify right side
    19,327.86x = 179,176,390.51
  5. Step 5: Solve for x
    x = 179,176,390.51/19,327.86
  6. Step 6: Final answer
    x = 9,270.37

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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.