Home / 13,756.57-20,634.72-4,396.48

Finding the Fourth Proportional to 13,756.57, 20,634.72 and 4,396.48

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Solution

The fourth proportional to 13,756.57, 20,634.72 and 4,396.48 is: 6,594.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,756.57 : 20,634.72 = 4,396.48 : x
  2. Step 2: Convert to fraction form
    13,756.57/20,634.72 = 4,396.48/x
  3. Step 3: Cross multiply
    13,756.57x = 20,634.72 × 4,396.48
  4. Step 4: Simplify right side
    13,756.57x = 90,720,065.71
  5. Step 5: Solve for x
    x = 90,720,065.71/13,756.57
  6. Step 6: Final answer
    x = 6,594.67

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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.