Home / 14,359.40-21,530.28-5,584.09

Finding the Fourth Proportional to 14,359.40, 21,530.28 and 5,584.09

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Solution

The fourth proportional to 14,359.40, 21,530.28 and 5,584.09 is: 8,372.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,359.40 : 21,530.28 = 5,584.09 : x
  2. Step 2: Convert to fraction form
    14,359.40/21,530.28 = 5,584.09/x
  3. Step 3: Cross multiply
    14,359.40x = 21,530.28 × 5,584.09
  4. Step 4: Simplify right side
    14,359.40x = 120,226,913.59
  5. Step 5: Solve for x
    x = 120,226,913.59/14,359.40
  6. Step 6: Final answer
    x = 8,372.70

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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.