Home / 16,790.49-23,171.66-9,715.54

Finding the Fourth Proportional to 16,790.49, 23,171.66 and 9,715.54

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Solution

The fourth proportional to 16,790.49, 23,171.66 and 9,715.54 is: 13,407.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.49 : 23,171.66 = 9,715.54 : x
  2. Step 2: Convert to fraction form
    16,790.49/23,171.66 = 9,715.54/x
  3. Step 3: Cross multiply
    16,790.49x = 23,171.66 × 9,715.54
  4. Step 4: Simplify right side
    16,790.49x = 225,125,141.02
  5. Step 5: Solve for x
    x = 225,125,141.02/16,790.49
  6. Step 6: Final answer
    x = 13,407.90

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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.