Home / 16,732.69-23,090.21-9,178.89

Finding the Fourth Proportional to 16,732.69, 23,090.21 and 9,178.89

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Solution

The fourth proportional to 16,732.69, 23,090.21 and 9,178.89 is: 12,666.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,732.69 : 23,090.21 = 9,178.89 : x
  2. Step 2: Convert to fraction form
    16,732.69/23,090.21 = 9,178.89/x
  3. Step 3: Cross multiply
    16,732.69x = 23,090.21 × 9,178.89
  4. Step 4: Simplify right side
    16,732.69x = 211,942,451.24
  5. Step 5: Solve for x
    x = 211,942,451.24/16,732.69
  6. Step 6: Final answer
    x = 12,666.37

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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.