Home / 13,966.67-20,950.22-3,436.71

Finding the Fourth Proportional to 13,966.67, 20,950.22 and 3,436.71

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Solution

The fourth proportional to 13,966.67, 20,950.22 and 3,436.71 is: 5,155.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,966.67 : 20,950.22 = 3,436.71 : x
  2. Step 2: Convert to fraction form
    13,966.67/20,950.22 = 3,436.71/x
  3. Step 3: Cross multiply
    13,966.67x = 20,950.22 × 3,436.71
  4. Step 4: Simplify right side
    13,966.67x = 71,999,830.58
  5. Step 5: Solve for x
    x = 71,999,830.58/13,966.67
  6. Step 6: Final answer
    x = 5,155.12

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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.