Home / 26,819.99-37,050.18-21,435.53

Finding the Fourth Proportional to 26,819.99, 37,050.18 and 21,435.53

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Solution

The fourth proportional to 26,819.99, 37,050.18 and 21,435.53 is: 29,611.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.99 : 37,050.18 = 21,435.53 : x
  2. Step 2: Convert to fraction form
    26,819.99/37,050.18 = 21,435.53/x
  3. Step 3: Cross multiply
    26,819.99x = 37,050.18 × 21,435.53
  4. Step 4: Simplify right side
    26,819.99x = 794,190,059.64
  5. Step 5: Solve for x
    x = 794,190,059.64/26,819.99
  6. Step 6: Final answer
    x = 29,611.88

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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.