Home / 14,072.93-21,115.20-6,171.35

Finding the Fourth Proportional to 14,072.93, 21,115.20 and 6,171.35

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Solution

The fourth proportional to 14,072.93, 21,115.20 and 6,171.35 is: 9,259.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.93 : 21,115.20 = 6,171.35 : x
  2. Step 2: Convert to fraction form
    14,072.93/21,115.20 = 6,171.35/x
  3. Step 3: Cross multiply
    14,072.93x = 21,115.20 × 6,171.35
  4. Step 4: Simplify right side
    14,072.93x = 130,309,289.52
  5. Step 5: Solve for x
    x = 130,309,289.52/14,072.93
  6. Step 6: Final answer
    x = 9,259.57

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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.