Home / 16,790.31-23,171.13-9,237.42

Finding the Fourth Proportional to 16,790.31, 23,171.13 and 9,237.42

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Solution

The fourth proportional to 16,790.31, 23,171.13 and 9,237.42 is: 12,747.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.31 : 23,171.13 = 9,237.42 : x
  2. Step 2: Convert to fraction form
    16,790.31/23,171.13 = 9,237.42/x
  3. Step 3: Cross multiply
    16,790.31x = 23,171.13 × 9,237.42
  4. Step 4: Simplify right side
    16,790.31x = 214,041,459.68
  5. Step 5: Solve for x
    x = 214,041,459.68/16,790.31
  6. Step 6: Final answer
    x = 12,747.92

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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.