Home / 21,232.24-29,300.28-11,800.60

Finding the Fourth Proportional to 21,232.24, 29,300.28 and 11,800.60

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Solution

The fourth proportional to 21,232.24, 29,300.28 and 11,800.60 is: 16,284.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.24 : 29,300.28 = 11,800.60 : x
  2. Step 2: Convert to fraction form
    21,232.24/29,300.28 = 11,800.60/x
  3. Step 3: Cross multiply
    21,232.24x = 29,300.28 × 11,800.60
  4. Step 4: Simplify right side
    21,232.24x = 345,760,884.17
  5. Step 5: Solve for x
    x = 345,760,884.17/21,232.24
  6. Step 6: Final answer
    x = 16,284.71

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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.