Home / 20,577.36-30,883.32-16,499.28

Finding the Fourth Proportional to 20,577.36, 30,883.32 and 16,499.28

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Solution

The fourth proportional to 20,577.36, 30,883.32 and 16,499.28 is: 24,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,577.36 : 30,883.32 = 16,499.28 : x
  2. Step 2: Convert to fraction form
    20,577.36/30,883.32 = 16,499.28/x
  3. Step 3: Cross multiply
    20,577.36x = 30,883.32 × 16,499.28
  4. Step 4: Simplify right side
    20,577.36x = 509,552,544.01
  5. Step 5: Solve for x
    x = 509,552,544.01/20,577.36
  6. Step 6: Final answer
    x = 24,762.78

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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.