Home / 26,112.84-36,044.82-15,511.56

Finding the Fourth Proportional to 26,112.84, 36,044.82 and 15,511.56

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Solution

The fourth proportional to 26,112.84, 36,044.82 and 15,511.56 is: 21,411.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.84 : 36,044.82 = 15,511.56 : x
  2. Step 2: Convert to fraction form
    26,112.84/36,044.82 = 15,511.56/x
  3. Step 3: Cross multiply
    26,112.84x = 36,044.82 × 15,511.56
  4. Step 4: Simplify right side
    26,112.84x = 559,111,388.12
  5. Step 5: Solve for x
    x = 559,111,388.12/26,112.84
  6. Step 6: Final answer
    x = 21,411.36

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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.