Home / 21,232.88-29,303.19-11,803.26

Finding the Fourth Proportional to 21,232.88, 29,303.19 and 11,803.26

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Solution

The fourth proportional to 21,232.88, 29,303.19 and 11,803.26 is: 16,289.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,232.88 : 29,303.19 = 11,803.26 : x
  2. Step 2: Convert to fraction form
    21,232.88/29,303.19 = 11,803.26/x
  3. Step 3: Cross multiply
    21,232.88x = 29,303.19 × 11,803.26
  4. Step 4: Simplify right side
    21,232.88x = 345,873,170.40
  5. Step 5: Solve for x
    x = 345,873,170.40/21,232.88
  6. Step 6: Final answer
    x = 16,289.51

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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.