Home / 17,634.90-26,431.50-7,753.51

Finding the Fourth Proportional to 17,634.90, 26,431.50 and 7,753.51

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Solution

The fourth proportional to 17,634.90, 26,431.50 and 7,753.51 is: 11,621.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,634.90 : 26,431.50 = 7,753.51 : x
  2. Step 2: Convert to fraction form
    17,634.90/26,431.50 = 7,753.51/x
  3. Step 3: Cross multiply
    17,634.90x = 26,431.50 × 7,753.51
  4. Step 4: Simplify right side
    17,634.90x = 204,936,899.57
  5. Step 5: Solve for x
    x = 204,936,899.57/17,634.90
  6. Step 6: Final answer
    x = 11,621.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.