Home / 16,938.15-23,373.70-9,383.88

Finding the Fourth Proportional to 16,938.15, 23,373.70 and 9,383.88

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Solution

The fourth proportional to 16,938.15, 23,373.70 and 9,383.88 is: 12,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,938.15 : 23,373.70 = 9,383.88 : x
  2. Step 2: Convert to fraction form
    16,938.15/23,373.70 = 9,383.88/x
  3. Step 3: Cross multiply
    16,938.15x = 23,373.70 × 9,383.88
  4. Step 4: Simplify right side
    16,938.15x = 219,335,995.96
  5. Step 5: Solve for x
    x = 219,335,995.96/16,938.15
  6. Step 6: Final answer
    x = 12,949.23

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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.