Home / 21,165.24-29,202.12-16,675.06

Finding the Fourth Proportional to 21,165.24, 29,202.12 and 16,675.06

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Solution

The fourth proportional to 21,165.24, 29,202.12 and 16,675.06 is: 23,006.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,165.24 : 29,202.12 = 16,675.06 : x
  2. Step 2: Convert to fraction form
    21,165.24/29,202.12 = 16,675.06/x
  3. Step 3: Cross multiply
    21,165.24x = 29,202.12 × 16,675.06
  4. Step 4: Simplify right side
    21,165.24x = 486,947,103.13
  5. Step 5: Solve for x
    x = 486,947,103.13/21,165.24
  6. Step 6: Final answer
    x = 23,006.93

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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.