Home / 14,081.46-19,435.60-8,114.20

Finding the Fourth Proportional to 14,081.46, 19,435.60 and 8,114.20

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Solution

The fourth proportional to 14,081.46, 19,435.60 and 8,114.20 is: 11,199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,081.46 : 19,435.60 = 8,114.20 : x
  2. Step 2: Convert to fraction form
    14,081.46/19,435.60 = 8,114.20/x
  3. Step 3: Cross multiply
    14,081.46x = 19,435.60 × 8,114.20
  4. Step 4: Simplify right side
    14,081.46x = 157,704,345.52
  5. Step 5: Solve for x
    x = 157,704,345.52/14,081.46
  6. Step 6: Final answer
    x = 11,199.43

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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.