Home / 16,638.81-24,951.28-6,771.39

Finding the Fourth Proportional to 16,638.81, 24,951.28 and 6,771.39

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Solution

The fourth proportional to 16,638.81, 24,951.28 and 6,771.39 is: 10,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.81 : 24,951.28 = 6,771.39 : x
  2. Step 2: Convert to fraction form
    16,638.81/24,951.28 = 6,771.39/x
  3. Step 3: Cross multiply
    16,638.81x = 24,951.28 × 6,771.39
  4. Step 4: Simplify right side
    16,638.81x = 168,954,689.27
  5. Step 5: Solve for x
    x = 168,954,689.27/16,638.81
  6. Step 6: Final answer
    x = 10,154.26

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1.5x scale

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.