Home / 21,749.39-32,628.18-6,954.33

Finding the Fourth Proportional to 21,749.39, 32,628.18 and 6,954.33

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Solution

The fourth proportional to 21,749.39, 32,628.18 and 6,954.33 is: 10,432.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.39 : 32,628.18 = 6,954.33 : x
  2. Step 2: Convert to fraction form
    21,749.39/32,628.18 = 6,954.33/x
  3. Step 3: Cross multiply
    21,749.39x = 32,628.18 × 6,954.33
  4. Step 4: Simplify right side
    21,749.39x = 226,907,279.45
  5. Step 5: Solve for x
    x = 226,907,279.45/21,749.39
  6. Step 6: Final answer
    x = 10,432.81

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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.