Home / 19,949.90-27,500.65-16,406.96

Finding the Fourth Proportional to 19,949.90, 27,500.65 and 16,406.96

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Solution

The fourth proportional to 19,949.90, 27,500.65 and 16,406.96 is: 22,616.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,949.90 : 27,500.65 = 16,406.96 : x
  2. Step 2: Convert to fraction form
    19,949.90/27,500.65 = 16,406.96/x
  3. Step 3: Cross multiply
    19,949.90x = 27,500.65 × 16,406.96
  4. Step 4: Simplify right side
    19,949.90x = 451,201,886.00
  5. Step 5: Solve for x
    x = 451,201,886.00/19,949.90
  6. Step 6: Final answer
    x = 22,616.75

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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.