Home / 16,743.60-25,115.40-5,055.30

Finding the Fourth Proportional to 16,743.60, 25,115.40 and 5,055.30

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Solution

The fourth proportional to 16,743.60, 25,115.40 and 5,055.30 is: 7,582.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,743.60 : 25,115.40 = 5,055.30 : x
  2. Step 2: Convert to fraction form
    16,743.60/25,115.40 = 5,055.30/x
  3. Step 3: Cross multiply
    16,743.60x = 25,115.40 × 5,055.30
  4. Step 4: Simplify right side
    16,743.60x = 126,965,881.62
  5. Step 5: Solve for x
    x = 126,965,881.62/16,743.60
  6. Step 6: Final answer
    x = 7,582.95

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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.