Home / 16,887.96-23,308.61-11,135.30

Finding the Fourth Proportional to 16,887.96, 23,308.61 and 11,135.30

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Solution

The fourth proportional to 16,887.96, 23,308.61 and 11,135.30 is: 15,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,887.96 : 23,308.61 = 11,135.30 : x
  2. Step 2: Convert to fraction form
    16,887.96/23,308.61 = 11,135.30/x
  3. Step 3: Cross multiply
    16,887.96x = 23,308.61 × 11,135.30
  4. Step 4: Simplify right side
    16,887.96x = 259,548,309.26
  5. Step 5: Solve for x
    x = 259,548,309.26/16,887.96
  6. Step 6: Final answer
    x = 15,368.84

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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.