Home / 26,779.75-36,905.08-19,611.87

Finding the Fourth Proportional to 26,779.75, 36,905.08 and 19,611.87

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Solution

The fourth proportional to 26,779.75, 36,905.08 and 19,611.87 is: 27,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,779.75 : 36,905.08 = 19,611.87 : x
  2. Step 2: Convert to fraction form
    26,779.75/36,905.08 = 19,611.87/x
  3. Step 3: Cross multiply
    26,779.75x = 36,905.08 × 19,611.87
  4. Step 4: Simplify right side
    26,779.75x = 723,777,631.30
  5. Step 5: Solve for x
    x = 723,777,631.30/26,779.75
  6. Step 6: Final answer
    x = 27,027.05

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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.