Home / 16,732.32-23,090.43-9,178.29

Finding the Fourth Proportional to 16,732.32, 23,090.43 and 9,178.29

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Solution

The fourth proportional to 16,732.32, 23,090.43 and 9,178.29 is: 12,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,732.32 : 23,090.43 = 9,178.29 : x
  2. Step 2: Convert to fraction form
    16,732.32/23,090.43 = 9,178.29/x
  3. Step 3: Cross multiply
    16,732.32x = 23,090.43 × 9,178.29
  4. Step 4: Simplify right side
    16,732.32x = 211,930,697.18
  5. Step 5: Solve for x
    x = 211,930,697.18/16,732.32
  6. Step 6: Final answer
    x = 12,665.95

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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.