Home / 19,087.93-28,628.13-6,436.44

Finding the Fourth Proportional to 19,087.93, 28,628.13 and 6,436.44

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Solution

The fourth proportional to 19,087.93, 28,628.13 and 6,436.44 is: 9,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,087.93 : 28,628.13 = 6,436.44 : x
  2. Step 2: Convert to fraction form
    19,087.93/28,628.13 = 6,436.44/x
  3. Step 3: Cross multiply
    19,087.93x = 28,628.13 × 6,436.44
  4. Step 4: Simplify right side
    19,087.93x = 184,263,130.37
  5. Step 5: Solve for x
    x = 184,263,130.37/19,087.93
  6. Step 6: Final answer
    x = 9,653.39

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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.