Home / 16,980.04-23,431.62-9,906.76

Finding the Fourth Proportional to 16,980.04, 23,431.62 and 9,906.76

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Solution

The fourth proportional to 16,980.04, 23,431.62 and 9,906.76 is: 13,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,980.04 : 23,431.62 = 9,906.76 : x
  2. Step 2: Convert to fraction form
    16,980.04/23,431.62 = 9,906.76/x
  3. Step 3: Cross multiply
    16,980.04x = 23,431.62 × 9,906.76
  4. Step 4: Simplify right side
    16,980.04x = 232,131,435.75
  5. Step 5: Solve for x
    x = 232,131,435.75/16,980.04
  6. Step 6: Final answer
    x = 13,670.84

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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.