Home / 26,703.83-40,023.69-12,453.09

Finding the Fourth Proportional to 26,703.83, 40,023.69 and 12,453.09

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Solution

The fourth proportional to 26,703.83, 40,023.69 and 12,453.09 is: 18,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,703.83 : 40,023.69 = 12,453.09 : x
  2. Step 2: Convert to fraction form
    26,703.83/40,023.69 = 12,453.09/x
  3. Step 3: Cross multiply
    26,703.83x = 40,023.69 × 12,453.09
  4. Step 4: Simplify right side
    26,703.83x = 498,418,613.70
  5. Step 5: Solve for x
    x = 498,418,613.70/26,703.83
  6. Step 6: Final answer
    x = 18,664.69

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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.