Home / 14,515.94-20,034.27-8,145.11

Finding the Fourth Proportional to 14,515.94, 20,034.27 and 8,145.11

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Solution

The fourth proportional to 14,515.94, 20,034.27 and 8,145.11 is: 11,241.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.94 : 20,034.27 = 8,145.11 : x
  2. Step 2: Convert to fraction form
    14,515.94/20,034.27 = 8,145.11/x
  3. Step 3: Cross multiply
    14,515.94x = 20,034.27 × 8,145.11
  4. Step 4: Simplify right side
    14,515.94x = 163,181,232.75
  5. Step 5: Solve for x
    x = 163,181,232.75/14,515.94
  6. Step 6: Final answer
    x = 11,241.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.