Home / 16,677.28-23,016.62-9,409.56

Finding the Fourth Proportional to 16,677.28, 23,016.62 and 9,409.56

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Solution

The fourth proportional to 16,677.28, 23,016.62 and 9,409.56 is: 12,986.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,677.28 : 23,016.62 = 9,409.56 : x
  2. Step 2: Convert to fraction form
    16,677.28/23,016.62 = 9,409.56/x
  3. Step 3: Cross multiply
    16,677.28x = 23,016.62 × 9,409.56
  4. Step 4: Simplify right side
    16,677.28x = 216,576,266.89
  5. Step 5: Solve for x
    x = 216,576,266.89/16,677.28
  6. Step 6: Final answer
    x = 12,986.31

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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.