Home / 16,811.24-25,215.24-5,124.56

Finding the Fourth Proportional to 16,811.24, 25,215.24 and 5,124.56

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Solution

The fourth proportional to 16,811.24, 25,215.24 and 5,124.56 is: 7,686.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.24 : 25,215.24 = 5,124.56 : x
  2. Step 2: Convert to fraction form
    16,811.24/25,215.24 = 5,124.56/x
  3. Step 3: Cross multiply
    16,811.24x = 25,215.24 × 5,124.56
  4. Step 4: Simplify right side
    16,811.24x = 129,217,010.29
  5. Step 5: Solve for x
    x = 129,217,010.29/16,811.24
  6. Step 6: Final answer
    x = 7,686.35

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1.5x scale

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.