Home / 14,411.05-21,617.69-5,530.65

Finding the Fourth Proportional to 14,411.05, 21,617.69 and 5,530.65

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Solution

The fourth proportional to 14,411.05, 21,617.69 and 5,530.65 is: 8,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,411.05 : 21,617.69 = 5,530.65 : x
  2. Step 2: Convert to fraction form
    14,411.05/21,617.69 = 5,530.65/x
  3. Step 3: Cross multiply
    14,411.05x = 21,617.69 × 5,530.65
  4. Step 4: Simplify right side
    14,411.05x = 119,559,768.48
  5. Step 5: Solve for x
    x = 119,559,768.48/14,411.05
  6. Step 6: Final answer
    x = 8,296.40

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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.