Home / 19,664.38-27,089.18-14,619.88

Finding the Fourth Proportional to 19,664.38, 27,089.18 and 14,619.88

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Solution

The fourth proportional to 19,664.38, 27,089.18 and 14,619.88 is: 20,140.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,664.38 : 27,089.18 = 14,619.88 : x
  2. Step 2: Convert to fraction form
    19,664.38/27,089.18 = 14,619.88/x
  3. Step 3: Cross multiply
    19,664.38x = 27,089.18 × 14,619.88
  4. Step 4: Simplify right side
    19,664.38x = 396,040,560.90
  5. Step 5: Solve for x
    x = 396,040,560.90/19,664.38
  6. Step 6: Final answer
    x = 20,140.00

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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.