Home / 26,211.16-36,172.91-19,739.21

Finding the Fourth Proportional to 26,211.16, 36,172.91 and 19,739.21

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Solution

The fourth proportional to 26,211.16, 36,172.91 and 19,739.21 is: 27,241.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,211.16 : 36,172.91 = 19,739.21 : x
  2. Step 2: Convert to fraction form
    26,211.16/36,172.91 = 19,739.21/x
  3. Step 3: Cross multiply
    26,211.16x = 36,172.91 × 19,739.21
  4. Step 4: Simplify right side
    26,211.16x = 714,024,625.72
  5. Step 5: Solve for x
    x = 714,024,625.72/26,211.16
  6. Step 6: Final answer
    x = 27,241.25

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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.