Home / 14,410.92-21,579-12,344.28

Finding the Fourth Proportional to 14,410.92, 21,579 and 12,344.28

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Solution

The fourth proportional to 14,410.92, 21,579 and 12,344.28 is: 18,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,410.92 : 21,579 = 12,344.28 : x
  2. Step 2: Convert to fraction form
    14,410.92/21,579 = 12,344.28/x
  3. Step 3: Cross multiply
    14,410.92x = 21,579 × 12,344.28
  4. Step 4: Simplify right side
    14,410.92x = 266,377,218.12
  5. Step 5: Solve for x
    x = 266,377,218.12/14,410.92
  6. Step 6: Final answer
    x = 18,484.40

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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.