Home / 26,669.35-39,917.21-19,646.60

Finding the Fourth Proportional to 26,669.35, 39,917.21 and 19,646.60

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Solution

The fourth proportional to 26,669.35, 39,917.21 and 19,646.60 is: 29,405.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.35 : 39,917.21 = 19,646.60 : x
  2. Step 2: Convert to fraction form
    26,669.35/39,917.21 = 19,646.60/x
  3. Step 3: Cross multiply
    26,669.35x = 39,917.21 × 19,646.60
  4. Step 4: Simplify right side
    26,669.35x = 784,237,457.99
  5. Step 5: Solve for x
    x = 784,237,457.99/26,669.35
  6. Step 6: Final answer
    x = 29,405.95

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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.