Home / 16,905.38-23,330.50-9,453.38

Finding the Fourth Proportional to 16,905.38, 23,330.50 and 9,453.38

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Solution

The fourth proportional to 16,905.38, 23,330.50 and 9,453.38 is: 13,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.38 : 23,330.50 = 9,453.38 : x
  2. Step 2: Convert to fraction form
    16,905.38/23,330.50 = 9,453.38/x
  3. Step 3: Cross multiply
    16,905.38x = 23,330.50 × 9,453.38
  4. Step 4: Simplify right side
    16,905.38x = 220,551,941.80
  5. Step 5: Solve for x
    x = 220,551,941.80/16,905.38
  6. Step 6: Final answer
    x = 13,046.26

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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.