Home / 14,359.12-21,530.58-5,583.99

Finding the Fourth Proportional to 14,359.12, 21,530.58 and 5,583.99

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Solution

The fourth proportional to 14,359.12, 21,530.58 and 5,583.99 is: 8,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.12 : 21,530.58 = 5,583.99 : x
  2. Step 2: Convert to fraction form
    14,359.12/21,530.58 = 5,583.99/x
  3. Step 3: Cross multiply
    14,359.12x = 21,530.58 × 5,583.99
  4. Step 4: Simplify right side
    14,359.12x = 120,226,435.76
  5. Step 5: Solve for x
    x = 120,226,435.76/14,359.12
  6. Step 6: Final answer
    x = 8,372.83

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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.