Home / 16,732.45-23,090.37-9,178.71

Finding the Fourth Proportional to 16,732.45, 23,090.37 and 9,178.71

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Solution

The fourth proportional to 16,732.45, 23,090.37 and 9,178.71 is: 12,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,732.45 : 23,090.37 = 9,178.71 : x
  2. Step 2: Convert to fraction form
    16,732.45/23,090.37 = 9,178.71/x
  3. Step 3: Cross multiply
    16,732.45x = 23,090.37 × 9,178.71
  4. Step 4: Simplify right side
    16,732.45x = 211,939,810.02
  5. Step 5: Solve for x
    x = 211,939,810.02/16,732.45
  6. Step 6: Final answer
    x = 12,666.39

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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.