Home / 16,911.60-25,356.60-7,054.80

Finding the Fourth Proportional to 16,911.60, 25,356.60 and 7,054.80

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Solution

The fourth proportional to 16,911.60, 25,356.60 and 7,054.80 is: 10,577.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,911.60 : 25,356.60 = 7,054.80 : x
  2. Step 2: Convert to fraction form
    16,911.60/25,356.60 = 7,054.80/x
  3. Step 3: Cross multiply
    16,911.60x = 25,356.60 × 7,054.80
  4. Step 4: Simplify right side
    16,911.60x = 178,885,741.68
  5. Step 5: Solve for x
    x = 178,885,741.68/16,911.60
  6. Step 6: Final answer
    x = 10,577.69

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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.