Home / 19,115.75-26,380.04-10,732.07

Finding the Fourth Proportional to 19,115.75, 26,380.04 and 10,732.07

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Solution

The fourth proportional to 19,115.75, 26,380.04 and 10,732.07 is: 14,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.75 : 26,380.04 = 10,732.07 : x
  2. Step 2: Convert to fraction form
    19,115.75/26,380.04 = 10,732.07/x
  3. Step 3: Cross multiply
    19,115.75x = 26,380.04 × 10,732.07
  4. Step 4: Simplify right side
    19,115.75x = 283,112,435.88
  5. Step 5: Solve for x
    x = 283,112,435.88/19,115.75
  6. Step 6: Final answer
    x = 14,810.43

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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.