Home / 19,062.06-28,591.46-5,211.06

Finding the Fourth Proportional to 19,062.06, 28,591.46 and 5,211.06

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Solution

The fourth proportional to 19,062.06, 28,591.46 and 5,211.06 is: 7,816.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.06 : 28,591.46 = 5,211.06 : x
  2. Step 2: Convert to fraction form
    19,062.06/28,591.46 = 5,211.06/x
  3. Step 3: Cross multiply
    19,062.06x = 28,591.46 × 5,211.06
  4. Step 4: Simplify right side
    19,062.06x = 148,991,813.55
  5. Step 5: Solve for x
    x = 148,991,813.55/19,062.06
  6. Step 6: Final answer
    x = 7,816.14

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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.