Home / 26,790.20-40,187.94-9,927.68

Finding the Fourth Proportional to 26,790.20, 40,187.94 and 9,927.68

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Solution

The fourth proportional to 26,790.20, 40,187.94 and 9,927.68 is: 14,892.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.20 : 40,187.94 = 9,927.68 : x
  2. Step 2: Convert to fraction form
    26,790.20/40,187.94 = 9,927.68/x
  3. Step 3: Cross multiply
    26,790.20x = 40,187.94 × 9,927.68
  4. Step 4: Simplify right side
    26,790.20x = 398,973,008.18
  5. Step 5: Solve for x
    x = 398,973,008.18/26,790.20
  6. Step 6: Final answer
    x = 14,892.50

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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.