Home / 13,716.12-20,561.22-4,948.68

Finding the Fourth Proportional to 13,716.12, 20,561.22 and 4,948.68

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Solution

The fourth proportional to 13,716.12, 20,561.22 and 4,948.68 is: 7,418.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.12 : 20,561.22 = 4,948.68 : x
  2. Step 2: Convert to fraction form
    13,716.12/20,561.22 = 4,948.68/x
  3. Step 3: Cross multiply
    13,716.12x = 20,561.22 × 4,948.68
  4. Step 4: Simplify right side
    13,716.12x = 101,750,898.19
  5. Step 5: Solve for x
    x = 101,750,898.19/13,716.12
  6. Step 6: Final answer
    x = 7,418.34

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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.