Home / 26,759.04-40,083.84-12,507.12

Finding the Fourth Proportional to 26,759.04, 40,083.84 and 12,507.12

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Solution

The fourth proportional to 26,759.04, 40,083.84 and 12,507.12 is: 18,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,759.04 : 40,083.84 = 12,507.12 : x
  2. Step 2: Convert to fraction form
    26,759.04/40,083.84 = 12,507.12/x
  3. Step 3: Cross multiply
    26,759.04x = 40,083.84 × 12,507.12
  4. Step 4: Simplify right side
    26,759.04x = 501,333,396.94
  5. Step 5: Solve for x
    x = 501,333,396.94/26,759.04
  6. Step 6: Final answer
    x = 18,735.10

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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.