Home / 16,961.70-23,407.26-9,407.88

Finding the Fourth Proportional to 16,961.70, 23,407.26 and 9,407.88

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Solution

The fourth proportional to 16,961.70, 23,407.26 and 9,407.88 is: 12,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,961.70 : 23,407.26 = 9,407.88 : x
  2. Step 2: Convert to fraction form
    16,961.70/23,407.26 = 9,407.88/x
  3. Step 3: Cross multiply
    16,961.70x = 23,407.26 × 9,407.88
  4. Step 4: Simplify right side
    16,961.70x = 220,212,693.21
  5. Step 5: Solve for x
    x = 220,212,693.21/16,961.70
  6. Step 6: Final answer
    x = 12,982.94

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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.