Home / 21,193.31-29,247.29-11,634.14

Finding the Fourth Proportional to 21,193.31, 29,247.29 and 11,634.14

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Solution

The fourth proportional to 21,193.31, 29,247.29 and 11,634.14 is: 16,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,193.31 : 29,247.29 = 11,634.14 : x
  2. Step 2: Convert to fraction form
    21,193.31/29,247.29 = 11,634.14/x
  3. Step 3: Cross multiply
    21,193.31x = 29,247.29 × 11,634.14
  4. Step 4: Simplify right side
    21,193.31x = 340,267,125.06
  5. Step 5: Solve for x
    x = 340,267,125.06/21,193.31
  6. Step 6: Final answer
    x = 16,055.40

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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.