Home / 14,025.80-21,046.80-5,261.60

Finding the Fourth Proportional to 14,025.80, 21,046.80 and 5,261.60

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Solution

The fourth proportional to 14,025.80, 21,046.80 and 5,261.60 is: 7,895.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,025.80 : 21,046.80 = 5,261.60 : x
  2. Step 2: Convert to fraction form
    14,025.80/21,046.80 = 5,261.60/x
  3. Step 3: Cross multiply
    14,025.80x = 21,046.80 × 5,261.60
  4. Step 4: Simplify right side
    14,025.80x = 110,739,842.88
  5. Step 5: Solve for x
    x = 110,739,842.88/14,025.80
  6. Step 6: Final answer
    x = 7,895.44

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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.