Home / 19,014.30-28,521.27-5,163.30

Finding the Fourth Proportional to 19,014.30, 28,521.27 and 5,163.30

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Solution

The fourth proportional to 19,014.30, 28,521.27 and 5,163.30 is: 7,744.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.30 : 28,521.27 = 5,163.30 : x
  2. Step 2: Convert to fraction form
    19,014.30/28,521.27 = 5,163.30/x
  3. Step 3: Cross multiply
    19,014.30x = 28,521.27 × 5,163.30
  4. Step 4: Simplify right side
    19,014.30x = 147,263,873.39
  5. Step 5: Solve for x
    x = 147,263,873.39/19,014.30
  6. Step 6: Final answer
    x = 7,744.90

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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.