Home / 26,907.07-40,360.19-12,105.53

Finding the Fourth Proportional to 26,907.07, 40,360.19 and 12,105.53

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Solution

The fourth proportional to 26,907.07, 40,360.19 and 12,105.53 is: 18,158.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,907.07 : 40,360.19 = 12,105.53 : x
  2. Step 2: Convert to fraction form
    26,907.07/40,360.19 = 12,105.53/x
  3. Step 3: Cross multiply
    26,907.07x = 40,360.19 × 12,105.53
  4. Step 4: Simplify right side
    26,907.07x = 488,581,490.85
  5. Step 5: Solve for x
    x = 488,581,490.85/26,907.07
  6. Step 6: Final answer
    x = 18,158.11

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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.