Home / 14,956.85-22,391.84-8,697.78

Finding the Fourth Proportional to 14,956.85, 22,391.84 and 8,697.78

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Solution

The fourth proportional to 14,956.85, 22,391.84 and 8,697.78 is: 13,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.85 : 22,391.84 = 8,697.78 : x
  2. Step 2: Convert to fraction form
    14,956.85/22,391.84 = 8,697.78/x
  3. Step 3: Cross multiply
    14,956.85x = 22,391.84 × 8,697.78
  4. Step 4: Simplify right side
    14,956.85x = 194,759,319.86
  5. Step 5: Solve for x
    x = 194,759,319.86/14,956.85
  6. Step 6: Final answer
    x = 13,021.41

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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.