Home / 26,940.12-40,419.90-13,798.68

Finding the Fourth Proportional to 26,940.12, 40,419.90 and 13,798.68

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Solution

The fourth proportional to 26,940.12, 40,419.90 and 13,798.68 is: 20,703.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.12 : 40,419.90 = 13,798.68 : x
  2. Step 2: Convert to fraction form
    26,940.12/40,419.90 = 13,798.68/x
  3. Step 3: Cross multiply
    26,940.12x = 40,419.90 × 13,798.68
  4. Step 4: Simplify right side
    26,940.12x = 557,741,265.73
  5. Step 5: Solve for x
    x = 557,741,265.73/26,940.12
  6. Step 6: Final answer
    x = 20,703.00

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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.