Home / 14,609.89-21,885.99-9,664.57

Finding the Fourth Proportional to 14,609.89, 21,885.99 and 9,664.57

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Solution

The fourth proportional to 14,609.89, 21,885.99 and 9,664.57 is: 14,477.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,609.89 : 21,885.99 = 9,664.57 : x
  2. Step 2: Convert to fraction form
    14,609.89/21,885.99 = 9,664.57/x
  3. Step 3: Cross multiply
    14,609.89x = 21,885.99 × 9,664.57
  4. Step 4: Simplify right side
    14,609.89x = 211,518,682.37
  5. Step 5: Solve for x
    x = 211,518,682.37/14,609.89
  6. Step 6: Final answer
    x = 14,477.77

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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.