Home / 16,990.14-23,445.60-9,436.96

Finding the Fourth Proportional to 16,990.14, 23,445.60 and 9,436.96

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Solution

The fourth proportional to 16,990.14, 23,445.60 and 9,436.96 is: 13,022.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.14 : 23,445.60 = 9,436.96 : x
  2. Step 2: Convert to fraction form
    16,990.14/23,445.60 = 9,436.96/x
  3. Step 3: Cross multiply
    16,990.14x = 23,445.60 × 9,436.96
  4. Step 4: Simplify right side
    16,990.14x = 221,255,189.38
  5. Step 5: Solve for x
    x = 221,255,189.38/16,990.14
  6. Step 6: Final answer
    x = 13,022.56

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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.