Home / 26,613.63-39,924.09-9,078.75

Finding the Fourth Proportional to 26,613.63, 39,924.09 and 9,078.75

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Solution

The fourth proportional to 26,613.63, 39,924.09 and 9,078.75 is: 13,619.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,613.63 : 39,924.09 = 9,078.75 : x
  2. Step 2: Convert to fraction form
    26,613.63/39,924.09 = 9,078.75/x
  3. Step 3: Cross multiply
    26,613.63x = 39,924.09 × 9,078.75
  4. Step 4: Simplify right side
    26,613.63x = 362,460,832.09
  5. Step 5: Solve for x
    x = 362,460,832.09/26,613.63
  6. Step 6: Final answer
    x = 13,619.37

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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.