Home / 16,021.98-22,100.04-10,644.30

Finding the Fourth Proportional to 16,021.98, 22,100.04 and 10,644.30

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Solution

The fourth proportional to 16,021.98, 22,100.04 and 10,644.30 is: 14,682.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.98 : 22,100.04 = 10,644.30 : x
  2. Step 2: Convert to fraction form
    16,021.98/22,100.04 = 10,644.30/x
  3. Step 3: Cross multiply
    16,021.98x = 22,100.04 × 10,644.30
  4. Step 4: Simplify right side
    16,021.98x = 235,239,455.77
  5. Step 5: Solve for x
    x = 235,239,455.77/16,021.98
  6. Step 6: Final answer
    x = 14,682.30

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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.