Home / 14,722.92-22,065.66-6,921

Finding the Fourth Proportional to 14,722.92, 22,065.66 and 6,921

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Solution

The fourth proportional to 14,722.92, 22,065.66 and 6,921 is: 10,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.92 : 22,065.66 = 6,921 : x
  2. Step 2: Convert to fraction form
    14,722.92/22,065.66 = 6,921/x
  3. Step 3: Cross multiply
    14,722.92x = 22,065.66 × 6,921
  4. Step 4: Simplify right side
    14,722.92x = 152,716,432.86
  5. Step 5: Solve for x
    x = 152,716,432.86/14,722.92
  6. Step 6: Final answer
    x = 10,372.70

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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.