Home / 13,944.60-19,243.44-7,656.96

Finding the Fourth Proportional to 13,944.60, 19,243.44 and 7,656.96

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Solution

The fourth proportional to 13,944.60, 19,243.44 and 7,656.96 is: 10,566.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,944.60 : 19,243.44 = 7,656.96 : x
  2. Step 2: Convert to fraction form
    13,944.60/19,243.44 = 7,656.96/x
  3. Step 3: Cross multiply
    13,944.60x = 19,243.44 × 7,656.96
  4. Step 4: Simplify right side
    13,944.60x = 147,346,250.34
  5. Step 5: Solve for x
    x = 147,346,250.34/13,944.60
  6. Step 6: Final answer
    x = 10,566.55

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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.