Home / 16,516.28-24,775.98-5,423

Finding the Fourth Proportional to 16,516.28, 24,775.98 and 5,423

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Solution

The fourth proportional to 16,516.28, 24,775.98 and 5,423 is: 8,135.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,516.28 : 24,775.98 = 5,423 : x
  2. Step 2: Convert to fraction form
    16,516.28/24,775.98 = 5,423/x
  3. Step 3: Cross multiply
    16,516.28x = 24,775.98 × 5,423
  4. Step 4: Simplify right side
    16,516.28x = 134,360,139.54
  5. Step 5: Solve for x
    x = 134,360,139.54/16,516.28
  6. Step 6: Final answer
    x = 8,135.01

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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.