Home / 13,709.44-20,572.67-6,314.95

Finding the Fourth Proportional to 13,709.44, 20,572.67 and 6,314.95

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Solution

The fourth proportional to 13,709.44, 20,572.67 and 6,314.95 is: 9,476.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,709.44 : 20,572.67 = 6,314.95 : x
  2. Step 2: Convert to fraction form
    13,709.44/20,572.67 = 6,314.95/x
  3. Step 3: Cross multiply
    13,709.44x = 20,572.67 × 6,314.95
  4. Step 4: Simplify right side
    13,709.44x = 129,915,382.42
  5. Step 5: Solve for x
    x = 129,915,382.42/13,709.44
  6. Step 6: Final answer
    x = 9,476.34

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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.