Home / 21,861.86-32,792.72-9,373.80

Finding the Fourth Proportional to 21,861.86, 32,792.72 and 9,373.80

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Solution

The fourth proportional to 21,861.86, 32,792.72 and 9,373.80 is: 14,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,861.86 : 32,792.72 = 9,373.80 : x
  2. Step 2: Convert to fraction form
    21,861.86/32,792.72 = 9,373.80/x
  3. Step 3: Cross multiply
    21,861.86x = 32,792.72 × 9,373.80
  4. Step 4: Simplify right side
    21,861.86x = 307,392,398.74
  5. Step 5: Solve for x
    x = 307,392,398.74/21,861.86
  6. Step 6: Final answer
    x = 14,060.67

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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.