Home / 16,490.82-22,721.85-11,176.32

Finding the Fourth Proportional to 16,490.82, 22,721.85 and 11,176.32

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Solution

The fourth proportional to 16,490.82, 22,721.85 and 11,176.32 is: 15,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,490.82 : 22,721.85 = 11,176.32 : x
  2. Step 2: Convert to fraction form
    16,490.82/22,721.85 = 11,176.32/x
  3. Step 3: Cross multiply
    16,490.82x = 22,721.85 × 11,176.32
  4. Step 4: Simplify right side
    16,490.82x = 253,946,666.59
  5. Step 5: Solve for x
    x = 253,946,666.59/16,490.82
  6. Step 6: Final answer
    x = 15,399.27

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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.