Home / 26,712.96-40,069.44-11,918.34

Finding the Fourth Proportional to 26,712.96, 40,069.44 and 11,918.34

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Solution

The fourth proportional to 26,712.96, 40,069.44 and 11,918.34 is: 17,877.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,712.96 : 40,069.44 = 11,918.34 : x
  2. Step 2: Convert to fraction form
    26,712.96/40,069.44 = 11,918.34/x
  3. Step 3: Cross multiply
    26,712.96x = 40,069.44 × 11,918.34
  4. Step 4: Simplify right side
    26,712.96x = 477,561,209.53
  5. Step 5: Solve for x
    x = 477,561,209.53/26,712.96
  6. Step 6: Final answer
    x = 17,877.51

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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.