Home / 19,062.12-28,593.16-5,211.12

Finding the Fourth Proportional to 19,062.12, 28,593.16 and 5,211.12

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Solution

The fourth proportional to 19,062.12, 28,593.16 and 5,211.12 is: 7,816.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.12 : 28,593.16 = 5,211.12 : x
  2. Step 2: Convert to fraction form
    19,062.12/28,593.16 = 5,211.12/x
  3. Step 3: Cross multiply
    19,062.12x = 28,593.16 × 5,211.12
  4. Step 4: Simplify right side
    19,062.12x = 149,002,387.94
  5. Step 5: Solve for x
    x = 149,002,387.94/19,062.12
  6. Step 6: Final answer
    x = 7,816.67

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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.