Home / 26,481.13-36,550.26-15,157.16

Finding the Fourth Proportional to 26,481.13, 36,550.26 and 15,157.16

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Solution

The fourth proportional to 26,481.13, 36,550.26 and 15,157.16 is: 20,920.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,481.13 : 36,550.26 = 15,157.16 : x
  2. Step 2: Convert to fraction form
    26,481.13/36,550.26 = 15,157.16/x
  3. Step 3: Cross multiply
    26,481.13x = 36,550.26 × 15,157.16
  4. Step 4: Simplify right side
    26,481.13x = 553,998,138.86
  5. Step 5: Solve for x
    x = 553,998,138.86/26,481.13
  6. Step 6: Final answer
    x = 20,920.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.