Home / 16,985.43-23,441.37-9,914.13

Finding the Fourth Proportional to 16,985.43, 23,441.37 and 9,914.13

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Solution

The fourth proportional to 16,985.43, 23,441.37 and 9,914.13 is: 13,682.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.43 : 23,441.37 = 9,914.13 : x
  2. Step 2: Convert to fraction form
    16,985.43/23,441.37 = 9,914.13/x
  3. Step 3: Cross multiply
    16,985.43x = 23,441.37 × 9,914.13
  4. Step 4: Simplify right side
    16,985.43x = 232,400,789.56
  5. Step 5: Solve for x
    x = 232,400,789.56/16,985.43
  6. Step 6: Final answer
    x = 13,682.36

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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.