Home / 18,936.82-26,117.43-16,663.24

Finding the Fourth Proportional to 18,936.82, 26,117.43 and 16,663.24

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Solution

The fourth proportional to 18,936.82, 26,117.43 and 16,663.24 is: 22,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936.82 : 26,117.43 = 16,663.24 : x
  2. Step 2: Convert to fraction form
    18,936.82/26,117.43 = 16,663.24/x
  3. Step 3: Cross multiply
    18,936.82x = 26,117.43 × 16,663.24
  4. Step 4: Simplify right side
    18,936.82x = 435,201,004.27
  5. Step 5: Solve for x
    x = 435,201,004.27/18,936.82
  6. Step 6: Final answer
    x = 22,981.74

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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.