Home / 27,178.94-40,768.41-7,460.40

Finding the Fourth Proportional to 27,178.94, 40,768.41 and 7,460.40

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Solution

The fourth proportional to 27,178.94, 40,768.41 and 7,460.40 is: 11,190.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,178.94 : 40,768.41 = 7,460.40 : x
  2. Step 2: Convert to fraction form
    27,178.94/40,768.41 = 7,460.40/x
  3. Step 3: Cross multiply
    27,178.94x = 40,768.41 × 7,460.40
  4. Step 4: Simplify right side
    27,178.94x = 304,148,826.82
  5. Step 5: Solve for x
    x = 304,148,826.82/27,178.94
  6. Step 6: Final answer
    x = 11,190.61

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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.