Home / 16,790.73-23,168.63-9,715.78

Finding the Fourth Proportional to 16,790.73, 23,168.63 and 9,715.78

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Solution

The fourth proportional to 16,790.73, 23,168.63 and 9,715.78 is: 13,406.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.73 : 23,168.63 = 9,715.78 : x
  2. Step 2: Convert to fraction form
    16,790.73/23,168.63 = 9,715.78/x
  3. Step 3: Cross multiply
    16,790.73x = 23,168.63 × 9,715.78
  4. Step 4: Simplify right side
    16,790.73x = 225,101,365.23
  5. Step 5: Solve for x
    x = 225,101,365.23/16,790.73
  6. Step 6: Final answer
    x = 13,406.29

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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.