Home / 16,731.83-23,090.58-9,178.49

Finding the Fourth Proportional to 16,731.83, 23,090.58 and 9,178.49

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Solution

The fourth proportional to 16,731.83, 23,090.58 and 9,178.49 is: 12,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.83 : 23,090.58 = 9,178.49 : x
  2. Step 2: Convert to fraction form
    16,731.83/23,090.58 = 9,178.49/x
  3. Step 3: Cross multiply
    16,731.83x = 23,090.58 × 9,178.49
  4. Step 4: Simplify right side
    16,731.83x = 211,936,542.17
  5. Step 5: Solve for x
    x = 211,936,542.17/16,731.83
  6. Step 6: Final answer
    x = 12,666.67

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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.