Home / 13,707.36-20,561.76-4,346.69

Finding the Fourth Proportional to 13,707.36, 20,561.76 and 4,346.69

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Solution

The fourth proportional to 13,707.36, 20,561.76 and 4,346.69 is: 6,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.36 : 20,561.76 = 4,346.69 : x
  2. Step 2: Convert to fraction form
    13,707.36/20,561.76 = 4,346.69/x
  3. Step 3: Cross multiply
    13,707.36x = 20,561.76 × 4,346.69
  4. Step 4: Simplify right side
    13,707.36x = 89,375,493.77
  5. Step 5: Solve for x
    x = 89,375,493.77/13,707.36
  6. Step 6: Final answer
    x = 6,520.26

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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.