Home / 26,843.86-40,235.41-13,668.40

Finding the Fourth Proportional to 26,843.86, 40,235.41 and 13,668.40

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Solution

The fourth proportional to 26,843.86, 40,235.41 and 13,668.40 is: 20,487.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.86 : 40,235.41 = 13,668.40 : x
  2. Step 2: Convert to fraction form
    26,843.86/40,235.41 = 13,668.40/x
  3. Step 3: Cross multiply
    26,843.86x = 40,235.41 × 13,668.40
  4. Step 4: Simplify right side
    26,843.86x = 549,953,609.70
  5. Step 5: Solve for x
    x = 549,953,609.70/26,843.86
  6. Step 6: Final answer
    x = 20,487.13

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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.