Home / 13,749.70-20,624.53-4,984.60

Finding the Fourth Proportional to 13,749.70, 20,624.53 and 4,984.60

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Solution

The fourth proportional to 13,749.70, 20,624.53 and 4,984.60 is: 7,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.70 : 20,624.53 = 4,984.60 : x
  2. Step 2: Convert to fraction form
    13,749.70/20,624.53 = 4,984.60/x
  3. Step 3: Cross multiply
    13,749.70x = 20,624.53 × 4,984.60
  4. Step 4: Simplify right side
    13,749.70x = 102,805,032.24
  5. Step 5: Solve for x
    x = 102,805,032.24/13,749.70
  6. Step 6: Final answer
    x = 7,476.89

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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.