Home / 16,719.48-25,066.26-7,479

Finding the Fourth Proportional to 16,719.48, 25,066.26 and 7,479

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Solution

The fourth proportional to 16,719.48, 25,066.26 and 7,479 is: 11,212.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719.48 : 25,066.26 = 7,479 : x
  2. Step 2: Convert to fraction form
    16,719.48/25,066.26 = 7,479/x
  3. Step 3: Cross multiply
    16,719.48x = 25,066.26 × 7,479
  4. Step 4: Simplify right side
    16,719.48x = 187,470,558.54
  5. Step 5: Solve for x
    x = 187,470,558.54/16,719.48
  6. Step 6: Final answer
    x = 11,212.70

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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.