Home / 26,906.16-40,357.60-12,876.16

Finding the Fourth Proportional to 26,906.16, 40,357.60 and 12,876.16

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Solution

The fourth proportional to 26,906.16, 40,357.60 and 12,876.16 is: 19,313.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,906.16 : 40,357.60 = 12,876.16 : x
  2. Step 2: Convert to fraction form
    26,906.16/40,357.60 = 12,876.16/x
  3. Step 3: Cross multiply
    26,906.16x = 40,357.60 × 12,876.16
  4. Step 4: Simplify right side
    26,906.16x = 519,650,914.82
  5. Step 5: Solve for x
    x = 519,650,914.82/26,906.16
  6. Step 6: Final answer
    x = 19,313.46

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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.