Home / 16,977.53-23,431.80-9,903.96

Finding the Fourth Proportional to 16,977.53, 23,431.80 and 9,903.96

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Solution

The fourth proportional to 16,977.53, 23,431.80 and 9,903.96 is: 13,669.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,977.53 : 23,431.80 = 9,903.96 : x
  2. Step 2: Convert to fraction form
    16,977.53/23,431.80 = 9,903.96/x
  3. Step 3: Cross multiply
    16,977.53x = 23,431.80 × 9,903.96
  4. Step 4: Simplify right side
    16,977.53x = 232,067,609.93
  5. Step 5: Solve for x
    x = 232,067,609.93/16,977.53
  6. Step 6: Final answer
    x = 13,669.11

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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.