Home / 13,893.76-19,173.60-7,606.72

Finding the Fourth Proportional to 13,893.76, 19,173.60 and 7,606.72

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Solution

The fourth proportional to 13,893.76, 19,173.60 and 7,606.72 is: 10,497.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,893.76 : 19,173.60 = 7,606.72 : x
  2. Step 2: Convert to fraction form
    13,893.76/19,173.60 = 7,606.72/x
  3. Step 3: Cross multiply
    13,893.76x = 19,173.60 × 7,606.72
  4. Step 4: Simplify right side
    13,893.76x = 145,848,206.59
  5. Step 5: Solve for x
    x = 145,848,206.59/13,893.76
  6. Step 6: Final answer
    x = 10,497.39

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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.