Home / 13,712.15-20,571.12-4,350.93

Finding the Fourth Proportional to 13,712.15, 20,571.12 and 4,350.93

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Solution

The fourth proportional to 13,712.15, 20,571.12 and 4,350.93 is: 6,527.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.15 : 20,571.12 = 4,350.93 : x
  2. Step 2: Convert to fraction form
    13,712.15/20,571.12 = 4,350.93/x
  3. Step 3: Cross multiply
    13,712.15x = 20,571.12 × 4,350.93
  4. Step 4: Simplify right side
    13,712.15x = 89,503,503.14
  5. Step 5: Solve for x
    x = 89,503,503.14/13,712.15
  6. Step 6: Final answer
    x = 6,527.32

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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.