Home / 19,039.93-28,559.89-5,188.93

Finding the Fourth Proportional to 19,039.93, 28,559.89 and 5,188.93

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Solution

The fourth proportional to 19,039.93, 28,559.89 and 5,188.93 is: 7,783.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.93 : 28,559.89 = 5,188.93 : x
  2. Step 2: Convert to fraction form
    19,039.93/28,559.89 = 5,188.93/x
  3. Step 3: Cross multiply
    19,039.93x = 28,559.89 × 5,188.93
  4. Step 4: Simplify right side
    19,039.93x = 148,195,270.02
  5. Step 5: Solve for x
    x = 148,195,270.02/19,039.93
  6. Step 6: Final answer
    x = 7,783.39

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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.