Home / 13,749.62-20,627.87-7,507.96

Finding the Fourth Proportional to 13,749.62, 20,627.87 and 7,507.96

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Solution

The fourth proportional to 13,749.62, 20,627.87 and 7,507.96 is: 11,263.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.62 : 20,627.87 = 7,507.96 : x
  2. Step 2: Convert to fraction form
    13,749.62/20,627.87 = 7,507.96/x
  3. Step 3: Cross multiply
    13,749.62x = 20,627.87 × 7,507.96
  4. Step 4: Simplify right side
    13,749.62x = 154,873,133.74
  5. Step 5: Solve for x
    x = 154,873,133.74/13,749.62
  6. Step 6: Final answer
    x = 11,263.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.