Home / 26,626.01-36,709.79-21,828.59

Finding the Fourth Proportional to 26,626.01, 36,709.79 and 21,828.59

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Solution

The fourth proportional to 26,626.01, 36,709.79 and 21,828.59 is: 30,095.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,626.01 : 36,709.79 = 21,828.59 : x
  2. Step 2: Convert to fraction form
    26,626.01/36,709.79 = 21,828.59/x
  3. Step 3: Cross multiply
    26,626.01x = 36,709.79 × 21,828.59
  4. Step 4: Simplify right side
    26,626.01x = 801,322,771.35
  5. Step 5: Solve for x
    x = 801,322,771.35/26,626.01
  6. Step 6: Final answer
    x = 30,095.49

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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.