Home / 26,605.08-36,683.82-19,878.84

Finding the Fourth Proportional to 26,605.08, 36,683.82 and 19,878.84

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Solution

The fourth proportional to 26,605.08, 36,683.82 and 19,878.84 is: 27,409.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,605.08 : 36,683.82 = 19,878.84 : x
  2. Step 2: Convert to fraction form
    26,605.08/36,683.82 = 19,878.84/x
  3. Step 3: Cross multiply
    26,605.08x = 36,683.82 × 19,878.84
  4. Step 4: Simplify right side
    26,605.08x = 729,231,788.37
  5. Step 5: Solve for x
    x = 729,231,788.37/26,605.08
  6. Step 6: Final answer
    x = 27,409.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.