Home / 18,466.48-27,703.82-7,378.39

Finding the Fourth Proportional to 18,466.48, 27,703.82 and 7,378.39

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Solution

The fourth proportional to 18,466.48, 27,703.82 and 7,378.39 is: 11,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,466.48 : 27,703.82 = 7,378.39 : x
  2. Step 2: Convert to fraction form
    18,466.48/27,703.82 = 7,378.39/x
  3. Step 3: Cross multiply
    18,466.48x = 27,703.82 × 7,378.39
  4. Step 4: Simplify right side
    18,466.48x = 204,409,641.53
  5. Step 5: Solve for x
    x = 204,409,641.53/18,466.48
  6. Step 6: Final answer
    x = 11,069.23

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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.