Home / 16,831.63-25,246.53-5,143.93

Finding the Fourth Proportional to 16,831.63, 25,246.53 and 5,143.93

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Solution

The fourth proportional to 16,831.63, 25,246.53 and 5,143.93 is: 7,715.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,831.63 : 25,246.53 = 5,143.93 : x
  2. Step 2: Convert to fraction form
    16,831.63/25,246.53 = 5,143.93/x
  3. Step 3: Cross multiply
    16,831.63x = 25,246.53 × 5,143.93
  4. Step 4: Simplify right side
    16,831.63x = 129,866,383.06
  5. Step 5: Solve for x
    x = 129,866,383.06/16,831.63
  6. Step 6: Final answer
    x = 7,715.62

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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.