Home / 21,166.24-29,203.50-16,676.06

Finding the Fourth Proportional to 21,166.24, 29,203.50 and 16,676.06

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Solution

The fourth proportional to 21,166.24, 29,203.50 and 16,676.06 is: 23,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,166.24 : 29,203.50 = 16,676.06 : x
  2. Step 2: Convert to fraction form
    21,166.24/29,203.50 = 16,676.06/x
  3. Step 3: Cross multiply
    21,166.24x = 29,203.50 × 16,676.06
  4. Step 4: Simplify right side
    21,166.24x = 486,999,318.21
  5. Step 5: Solve for x
    x = 486,999,318.21/21,166.24
  6. Step 6: Final answer
    x = 23,008.31

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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.