Home / 16,831.01-25,245.60-5,143.32

Finding the Fourth Proportional to 16,831.01, 25,245.60 and 5,143.32

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Solution

The fourth proportional to 16,831.01, 25,245.60 and 5,143.32 is: 7,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.01 : 25,245.60 = 5,143.32 : x
  2. Step 2: Convert to fraction form
    16,831.01/25,245.60 = 5,143.32/x
  3. Step 3: Cross multiply
    16,831.01x = 25,245.60 × 5,143.32
  4. Step 4: Simplify right side
    16,831.01x = 129,846,199.39
  5. Step 5: Solve for x
    x = 129,846,199.39/16,831.01
  6. Step 6: Final answer
    x = 7,714.70

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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.