Home / 14,025.82-21,042.39-5,260.90

Finding the Fourth Proportional to 14,025.82, 21,042.39 and 5,260.90

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Solution

The fourth proportional to 14,025.82, 21,042.39 and 5,260.90 is: 7,892.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.82 : 21,042.39 = 5,260.90 : x
  2. Step 2: Convert to fraction form
    14,025.82/21,042.39 = 5,260.90/x
  3. Step 3: Cross multiply
    14,025.82x = 21,042.39 × 5,260.90
  4. Step 4: Simplify right side
    14,025.82x = 110,701,909.55
  5. Step 5: Solve for x
    x = 110,701,909.55/14,025.82
  6. Step 6: Final answer
    x = 7,892.72

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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.