Home / 18,876.82-26,039.25-11,703.46

Finding the Fourth Proportional to 18,876.82, 26,039.25 and 11,703.46

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Solution

The fourth proportional to 18,876.82, 26,039.25 and 11,703.46 is: 16,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,876.82 : 26,039.25 = 11,703.46 : x
  2. Step 2: Convert to fraction form
    18,876.82/26,039.25 = 11,703.46/x
  3. Step 3: Cross multiply
    18,876.82x = 26,039.25 × 11,703.46
  4. Step 4: Simplify right side
    18,876.82x = 304,749,320.81
  5. Step 5: Solve for x
    x = 304,749,320.81/18,876.82
  6. Step 6: Final answer
    x = 16,144.10

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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.