Home / 13,749.90-20,624.91-5,851.29

Finding the Fourth Proportional to 13,749.90, 20,624.91 and 5,851.29

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Solution

The fourth proportional to 13,749.90, 20,624.91 and 5,851.29 is: 8,776.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.90 : 20,624.91 = 5,851.29 : x
  2. Step 2: Convert to fraction form
    13,749.90/20,624.91 = 5,851.29/x
  3. Step 3: Cross multiply
    13,749.90x = 20,624.91 × 5,851.29
  4. Step 4: Simplify right side
    13,749.90x = 120,682,329.63
  5. Step 5: Solve for x
    x = 120,682,329.63/13,749.90
  6. Step 6: Final answer
    x = 8,776.96

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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.