Home / 16,958.70-23,403.63-12,702.25

Finding the Fourth Proportional to 16,958.70, 23,403.63 and 12,702.25

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Solution

The fourth proportional to 16,958.70, 23,403.63 and 12,702.25 is: 17,529.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,958.70 : 23,403.63 = 12,702.25 : x
  2. Step 2: Convert to fraction form
    16,958.70/23,403.63 = 12,702.25/x
  3. Step 3: Cross multiply
    16,958.70x = 23,403.63 × 12,702.25
  4. Step 4: Simplify right side
    16,958.70x = 297,278,836.06
  5. Step 5: Solve for x
    x = 297,278,836.06/16,958.70
  6. Step 6: Final answer
    x = 17,529.58

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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.