Home / 16,858.49-23,272.58-9,783.54

Finding the Fourth Proportional to 16,858.49, 23,272.58 and 9,783.54

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Solution

The fourth proportional to 16,858.49, 23,272.58 and 9,783.54 is: 13,505.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.49 : 23,272.58 = 9,783.54 : x
  2. Step 2: Convert to fraction form
    16,858.49/23,272.58 = 9,783.54/x
  3. Step 3: Cross multiply
    16,858.49x = 23,272.58 × 9,783.54
  4. Step 4: Simplify right side
    16,858.49x = 227,688,241.79
  5. Step 5: Solve for x
    x = 227,688,241.79/16,858.49
  6. Step 6: Final answer
    x = 13,505.85

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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.