Home / 26,703.12-40,059.60-11,912.04

Finding the Fourth Proportional to 26,703.12, 40,059.60 and 11,912.04

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Solution

The fourth proportional to 26,703.12, 40,059.60 and 11,912.04 is: 17,870.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.12 : 40,059.60 = 11,912.04 : x
  2. Step 2: Convert to fraction form
    26,703.12/40,059.60 = 11,912.04/x
  3. Step 3: Cross multiply
    26,703.12x = 40,059.60 × 11,912.04
  4. Step 4: Simplify right side
    26,703.12x = 477,191,557.58
  5. Step 5: Solve for x
    x = 477,191,557.58/26,703.12
  6. Step 6: Final answer
    x = 17,870.25

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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.