Home / 14,043.75-19,336.15-11,914.86

Finding the Fourth Proportional to 14,043.75, 19,336.15 and 11,914.86

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Solution

The fourth proportional to 14,043.75, 19,336.15 and 11,914.86 is: 16,405.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.75 : 19,336.15 = 11,914.86 : x
  2. Step 2: Convert to fraction form
    14,043.75/19,336.15 = 11,914.86/x
  3. Step 3: Cross multiply
    14,043.75x = 19,336.15 × 11,914.86
  4. Step 4: Simplify right side
    14,043.75x = 230,387,607.59
  5. Step 5: Solve for x
    x = 230,387,607.59/14,043.75
  6. Step 6: Final answer
    x = 16,405.00

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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.