Home / 16,932.79-23,366.22-9,378.68

Finding the Fourth Proportional to 16,932.79, 23,366.22 and 9,378.68

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Solution

The fourth proportional to 16,932.79, 23,366.22 and 9,378.68 is: 12,942.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,932.79 : 23,366.22 = 9,378.68 : x
  2. Step 2: Convert to fraction form
    16,932.79/23,366.22 = 9,378.68/x
  3. Step 3: Cross multiply
    16,932.79x = 23,366.22 × 9,378.68
  4. Step 4: Simplify right side
    16,932.79x = 219,144,213.91
  5. Step 5: Solve for x
    x = 219,144,213.91/16,932.79
  6. Step 6: Final answer
    x = 12,942.00

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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.