Home / 21,451.36-32,177.12-7,600.32

Finding the Fourth Proportional to 21,451.36, 32,177.12 and 7,600.32

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Solution

The fourth proportional to 21,451.36, 32,177.12 and 7,600.32 is: 11,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,451.36 : 32,177.12 = 7,600.32 : x
  2. Step 2: Convert to fraction form
    21,451.36/32,177.12 = 7,600.32/x
  3. Step 3: Cross multiply
    21,451.36x = 32,177.12 × 7,600.32
  4. Step 4: Simplify right side
    21,451.36x = 244,556,408.68
  5. Step 5: Solve for x
    x = 244,556,408.68/21,451.36
  6. Step 6: Final answer
    x = 11,400.51

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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.