Home / 16,579.72-22,849.56-15,527.56

Finding the Fourth Proportional to 16,579.72, 22,849.56 and 15,527.56

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Solution

The fourth proportional to 16,579.72, 22,849.56 and 15,527.56 is: 21,399.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,579.72 : 22,849.56 = 15,527.56 : x
  2. Step 2: Convert to fraction form
    16,579.72/22,849.56 = 15,527.56/x
  3. Step 3: Cross multiply
    16,579.72x = 22,849.56 × 15,527.56
  4. Step 4: Simplify right side
    16,579.72x = 354,797,913.87
  5. Step 5: Solve for x
    x = 354,797,913.87/16,579.72
  6. Step 6: Final answer
    x = 21,399.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.