Home / 14,656.08-21,981.68-5,294.28

Finding the Fourth Proportional to 14,656.08, 21,981.68 and 5,294.28

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Solution

The fourth proportional to 14,656.08, 21,981.68 and 5,294.28 is: 7,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.08 : 21,981.68 = 5,294.28 : x
  2. Step 2: Convert to fraction form
    14,656.08/21,981.68 = 5,294.28/x
  3. Step 3: Cross multiply
    14,656.08x = 21,981.68 × 5,294.28
  4. Step 4: Simplify right side
    14,656.08x = 116,377,168.79
  5. Step 5: Solve for x
    x = 116,377,168.79/14,656.08
  6. Step 6: Final answer
    x = 7,940.54

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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.