Home / 26,403.35-39,579.26-16,886.57

Finding the Fourth Proportional to 26,403.35, 39,579.26 and 16,886.57

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Solution

The fourth proportional to 26,403.35, 39,579.26 and 16,886.57 is: 25,313.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,403.35 : 39,579.26 = 16,886.57 : x
  2. Step 2: Convert to fraction form
    26,403.35/39,579.26 = 16,886.57/x
  3. Step 3: Cross multiply
    26,403.35x = 39,579.26 × 16,886.57
  4. Step 4: Simplify right side
    26,403.35x = 668,357,662.21
  5. Step 5: Solve for x
    x = 668,357,662.21/26,403.35
  6. Step 6: Final answer
    x = 25,313.37

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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.