Home / 16,821.98-23,216.34-9,748.64

Finding the Fourth Proportional to 16,821.98, 23,216.34 and 9,748.64

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Solution

The fourth proportional to 16,821.98, 23,216.34 and 9,748.64 is: 13,454.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.98 : 23,216.34 = 9,748.64 : x
  2. Step 2: Convert to fraction form
    16,821.98/23,216.34 = 9,748.64/x
  3. Step 3: Cross multiply
    16,821.98x = 23,216.34 × 9,748.64
  4. Step 4: Simplify right side
    16,821.98x = 226,327,740.78
  5. Step 5: Solve for x
    x = 226,327,740.78/16,821.98
  6. Step 6: Final answer
    x = 13,454.29

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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.