Home / 19,039.64-28,559.46-5,190.68

Finding the Fourth Proportional to 19,039.64, 28,559.46 and 5,190.68

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Solution

The fourth proportional to 19,039.64, 28,559.46 and 5,190.68 is: 7,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,039.64 : 28,559.46 = 5,190.68 : x
  2. Step 2: Convert to fraction form
    19,039.64/28,559.46 = 5,190.68/x
  3. Step 3: Cross multiply
    19,039.64x = 28,559.46 × 5,190.68
  4. Step 4: Simplify right side
    19,039.64x = 148,243,017.83
  5. Step 5: Solve for x
    x = 148,243,017.83/19,039.64
  6. Step 6: Final answer
    x = 7,786.02

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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.