Home / 13,577.96-18,735.84-7,914.52

Finding the Fourth Proportional to 13,577.96, 18,735.84 and 7,914.52

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Solution

The fourth proportional to 13,577.96, 18,735.84 and 7,914.52 is: 10,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.96 : 18,735.84 = 7,914.52 : x
  2. Step 2: Convert to fraction form
    13,577.96/18,735.84 = 7,914.52/x
  3. Step 3: Cross multiply
    13,577.96x = 18,735.84 × 7,914.52
  4. Step 4: Simplify right side
    13,577.96x = 148,285,180.40
  5. Step 5: Solve for x
    x = 148,285,180.40/13,577.96
  6. Step 6: Final answer
    x = 10,921.02

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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.