Home / 26,448.75-36,466.88-20,765.79

Finding the Fourth Proportional to 26,448.75, 36,466.88 and 20,765.79

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Solution

The fourth proportional to 26,448.75, 36,466.88 and 20,765.79 is: 28,631.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,448.75 : 36,466.88 = 20,765.79 : x
  2. Step 2: Convert to fraction form
    26,448.75/36,466.88 = 20,765.79/x
  3. Step 3: Cross multiply
    26,448.75x = 36,466.88 × 20,765.79
  4. Step 4: Simplify right side
    26,448.75x = 757,263,468.21
  5. Step 5: Solve for x
    x = 757,263,468.21/26,448.75
  6. Step 6: Final answer
    x = 28,631.35

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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.