Home / 15,109.85-22,664.70-5,747.67

Finding the Fourth Proportional to 15,109.85, 22,664.70 and 5,747.67

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Solution

The fourth proportional to 15,109.85, 22,664.70 and 5,747.67 is: 8,621.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109.85 : 22,664.70 = 5,747.67 : x
  2. Step 2: Convert to fraction form
    15,109.85/22,664.70 = 5,747.67/x
  3. Step 3: Cross multiply
    15,109.85x = 22,664.70 × 5,747.67
  4. Step 4: Simplify right side
    15,109.85x = 130,269,216.25
  5. Step 5: Solve for x
    x = 130,269,216.25/15,109.85
  6. Step 6: Final answer
    x = 8,621.48

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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.