Home / 14,539.10-21,808.74-5,179.48

Finding the Fourth Proportional to 14,539.10, 21,808.74 and 5,179.48

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Solution

The fourth proportional to 14,539.10, 21,808.74 and 5,179.48 is: 7,769.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,539.10 : 21,808.74 = 5,179.48 : x
  2. Step 2: Convert to fraction form
    14,539.10/21,808.74 = 5,179.48/x
  3. Step 3: Cross multiply
    14,539.10x = 21,808.74 × 5,179.48
  4. Step 4: Simplify right side
    14,539.10x = 112,957,932.66
  5. Step 5: Solve for x
    x = 112,957,932.66/14,539.10
  6. Step 6: Final answer
    x = 7,769.25

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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.