Home / 26,115.96-36,044.46-15,511.32

Finding the Fourth Proportional to 26,115.96, 36,044.46 and 15,511.32

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Solution

The fourth proportional to 26,115.96, 36,044.46 and 15,511.32 is: 21,408.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.96 : 36,044.46 = 15,511.32 : x
  2. Step 2: Convert to fraction form
    26,115.96/36,044.46 = 15,511.32/x
  3. Step 3: Cross multiply
    26,115.96x = 36,044.46 × 15,511.32
  4. Step 4: Simplify right side
    26,115.96x = 559,097,153.29
  5. Step 5: Solve for x
    x = 559,097,153.29/26,115.96
  6. Step 6: Final answer
    x = 21,408.26

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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.