Home / 14,343.98-21,581.58-8,504.69

Finding the Fourth Proportional to 14,343.98, 21,581.58 and 8,504.69

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Solution

The fourth proportional to 14,343.98, 21,581.58 and 8,504.69 is: 12,795.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,343.98 : 21,581.58 = 8,504.69 : x
  2. Step 2: Convert to fraction form
    14,343.98/21,581.58 = 8,504.69/x
  3. Step 3: Cross multiply
    14,343.98x = 21,581.58 × 8,504.69
  4. Step 4: Simplify right side
    14,343.98x = 183,544,647.61
  5. Step 5: Solve for x
    x = 183,544,647.61/14,343.98
  6. Step 6: Final answer
    x = 12,795.94

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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.