Home / 14,381.10-21,581.49-5,021.11

Finding the Fourth Proportional to 14,381.10, 21,581.49 and 5,021.11

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Solution

The fourth proportional to 14,381.10, 21,581.49 and 5,021.11 is: 7,535.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.10 : 21,581.49 = 5,021.11 : x
  2. Step 2: Convert to fraction form
    14,381.10/21,581.49 = 5,021.11/x
  3. Step 3: Cross multiply
    14,381.10x = 21,581.49 × 5,021.11
  4. Step 4: Simplify right side
    14,381.10x = 108,363,035.25
  5. Step 5: Solve for x
    x = 108,363,035.25/14,381.10
  6. Step 6: Final answer
    x = 7,535.10

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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.