Home / 14,581.79-21,876.16-4,721.07

Finding the Fourth Proportional to 14,581.79, 21,876.16 and 4,721.07

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Solution

The fourth proportional to 14,581.79, 21,876.16 and 4,721.07 is: 7,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,581.79 : 21,876.16 = 4,721.07 : x
  2. Step 2: Convert to fraction form
    14,581.79/21,876.16 = 4,721.07/x
  3. Step 3: Cross multiply
    14,581.79x = 21,876.16 × 4,721.07
  4. Step 4: Simplify right side
    14,581.79x = 103,278,882.69
  5. Step 5: Solve for x
    x = 103,278,882.69/14,581.79
  6. Step 6: Final answer
    x = 7,082.73

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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.