Home / 16,976.79-25,432.06-11,115.63

Finding the Fourth Proportional to 16,976.79, 25,432.06 and 11,115.63

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Solution

The fourth proportional to 16,976.79, 25,432.06 and 11,115.63 is: 16,651.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.79 : 25,432.06 = 11,115.63 : x
  2. Step 2: Convert to fraction form
    16,976.79/25,432.06 = 11,115.63/x
  3. Step 3: Cross multiply
    16,976.79x = 25,432.06 × 11,115.63
  4. Step 4: Simplify right side
    16,976.79x = 282,693,369.10
  5. Step 5: Solve for x
    x = 282,693,369.10/16,976.79
  6. Step 6: Final answer
    x = 16,651.76

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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.