Home / 16,871.22-23,285.54-9,705.96

Finding the Fourth Proportional to 16,871.22, 23,285.54 and 9,705.96

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Solution

The fourth proportional to 16,871.22, 23,285.54 and 9,705.96 is: 13,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.22 : 23,285.54 = 9,705.96 : x
  2. Step 2: Convert to fraction form
    16,871.22/23,285.54 = 9,705.96/x
  3. Step 3: Cross multiply
    16,871.22x = 23,285.54 × 9,705.96
  4. Step 4: Simplify right side
    16,871.22x = 226,008,544.08
  5. Step 5: Solve for x
    x = 226,008,544.08/16,871.22
  6. Step 6: Final answer
    x = 13,396.10

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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.