Home / 16,930.28-23,352.90-10,631.72

Finding the Fourth Proportional to 16,930.28, 23,352.90 and 10,631.72

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Solution

The fourth proportional to 16,930.28, 23,352.90 and 10,631.72 is: 14,664.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.28 : 23,352.90 = 10,631.72 : x
  2. Step 2: Convert to fraction form
    16,930.28/23,352.90 = 10,631.72/x
  3. Step 3: Cross multiply
    16,930.28x = 23,352.90 × 10,631.72
  4. Step 4: Simplify right side
    16,930.28x = 248,281,493.99
  5. Step 5: Solve for x
    x = 248,281,493.99/16,930.28
  6. Step 6: Final answer
    x = 14,664.94

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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.