Home / 16,935.21-23,372.55-9,861.62

Finding the Fourth Proportional to 16,935.21, 23,372.55 and 9,861.62

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Solution

The fourth proportional to 16,935.21, 23,372.55 and 9,861.62 is: 13,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.21 : 23,372.55 = 9,861.62 : x
  2. Step 2: Convert to fraction form
    16,935.21/23,372.55 = 9,861.62/x
  3. Step 3: Cross multiply
    16,935.21x = 23,372.55 × 9,861.62
  4. Step 4: Simplify right side
    16,935.21x = 230,491,089.67
  5. Step 5: Solve for x
    x = 230,491,089.67/16,935.21
  6. Step 6: Final answer
    x = 13,610.17

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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.