Home / 16,960.23-23,383.61-12,120.74

Finding the Fourth Proportional to 16,960.23, 23,383.61 and 12,120.74

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Solution

The fourth proportional to 16,960.23, 23,383.61 and 12,120.74 is: 16,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.23 : 23,383.61 = 12,120.74 : x
  2. Step 2: Convert to fraction form
    16,960.23/23,383.61 = 12,120.74/x
  3. Step 3: Cross multiply
    16,960.23x = 23,383.61 × 12,120.74
  4. Step 4: Simplify right side
    16,960.23x = 283,426,567.24
  5. Step 5: Solve for x
    x = 283,426,567.24/16,960.23
  6. Step 6: Final answer
    x = 16,711.25

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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.