Home / 16,965.90-23,388.36-11,914.74

Finding the Fourth Proportional to 16,965.90, 23,388.36 and 11,914.74

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Solution

The fourth proportional to 16,965.90, 23,388.36 and 11,914.74 is: 16,425.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,965.90 : 23,388.36 = 11,914.74 : x
  2. Step 2: Convert to fraction form
    16,965.90/23,388.36 = 11,914.74/x
  3. Step 3: Cross multiply
    16,965.90x = 23,388.36 × 11,914.74
  4. Step 4: Simplify right side
    16,965.90x = 278,666,228.43
  5. Step 5: Solve for x
    x = 278,666,228.43/16,965.90
  6. Step 6: Final answer
    x = 16,425.08

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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.