Home / 14,161.12-21,234.40-6,363.28

Finding the Fourth Proportional to 14,161.12, 21,234.40 and 6,363.28

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Solution

The fourth proportional to 14,161.12, 21,234.40 and 6,363.28 is: 9,541.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,161.12 : 21,234.40 = 6,363.28 : x
  2. Step 2: Convert to fraction form
    14,161.12/21,234.40 = 6,363.28/x
  3. Step 3: Cross multiply
    14,161.12x = 21,234.40 × 6,363.28
  4. Step 4: Simplify right side
    14,161.12x = 135,120,432.83
  5. Step 5: Solve for x
    x = 135,120,432.83/14,161.12
  6. Step 6: Final answer
    x = 9,541.65

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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.