Home / 13,749.84-20,627.79-4,984.52

Finding the Fourth Proportional to 13,749.84, 20,627.79 and 4,984.52

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Solution

The fourth proportional to 13,749.84, 20,627.79 and 4,984.52 is: 7,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.84 : 20,627.79 = 4,984.52 : x
  2. Step 2: Convert to fraction form
    13,749.84/20,627.79 = 4,984.52/x
  3. Step 3: Cross multiply
    13,749.84x = 20,627.79 × 4,984.52
  4. Step 4: Simplify right side
    13,749.84x = 102,819,528.67
  5. Step 5: Solve for x
    x = 102,819,528.67/13,749.84
  6. Step 6: Final answer
    x = 7,477.87

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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.