Home / 19,395.39-29,074.53-6,238.50

Finding the Fourth Proportional to 19,395.39, 29,074.53 and 6,238.50

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Solution

The fourth proportional to 19,395.39, 29,074.53 and 6,238.50 is: 9,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.39 : 29,074.53 = 6,238.50 : x
  2. Step 2: Convert to fraction form
    19,395.39/29,074.53 = 6,238.50/x
  3. Step 3: Cross multiply
    19,395.39x = 29,074.53 × 6,238.50
  4. Step 4: Simplify right side
    19,395.39x = 181,381,455.41
  5. Step 5: Solve for x
    x = 181,381,455.41/19,395.39
  6. Step 6: Final answer
    x = 9,351.78

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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.