Home / 16,812.38-25,222.63-5,124.89

Finding the Fourth Proportional to 16,812.38, 25,222.63 and 5,124.89

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Solution

The fourth proportional to 16,812.38, 25,222.63 and 5,124.89 is: 7,688.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.38 : 25,222.63 = 5,124.89 : x
  2. Step 2: Convert to fraction form
    16,812.38/25,222.63 = 5,124.89/x
  3. Step 3: Cross multiply
    16,812.38x = 25,222.63 × 5,124.89
  4. Step 4: Simplify right side
    16,812.38x = 129,263,178.64
  5. Step 5: Solve for x
    x = 129,263,178.64/16,812.38
  6. Step 6: Final answer
    x = 7,688.57

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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.