Home / 14,579.58-21,885.75-8,669.28

Finding the Fourth Proportional to 14,579.58, 21,885.75 and 8,669.28

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Solution

The fourth proportional to 14,579.58, 21,885.75 and 8,669.28 is: 13,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.58 : 21,885.75 = 8,669.28 : x
  2. Step 2: Convert to fraction form
    14,579.58/21,885.75 = 8,669.28/x
  3. Step 3: Cross multiply
    14,579.58x = 21,885.75 × 8,669.28
  4. Step 4: Simplify right side
    14,579.58x = 189,733,694.76
  5. Step 5: Solve for x
    x = 189,733,694.76/14,579.58
  6. Step 6: Final answer
    x = 13,013.66

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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.