Home / 11,638.26-17,325.75-11,569.05

Finding the Fourth Proportional to 11,638.26, 17,325.75 and 11,569.05

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Solution

The fourth proportional to 11,638.26, 17,325.75 and 11,569.05 is: 17,222.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.26 : 17,325.75 = 11,569.05 : x
  2. Step 2: Convert to fraction form
    11,638.26/17,325.75 = 11,569.05/x
  3. Step 3: Cross multiply
    11,638.26x = 17,325.75 × 11,569.05
  4. Step 4: Simplify right side
    11,638.26x = 200,442,468.04
  5. Step 5: Solve for x
    x = 200,442,468.04/11,638.26
  6. Step 6: Final answer
    x = 17,222.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.