Home / 11,638.24-17,325.75-11,569.06

Finding the Fourth Proportional to 11,638.24, 17,325.75 and 11,569.06

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Solution

The fourth proportional to 11,638.24, 17,325.75 and 11,569.06 is: 17,222.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,638.24 : 17,325.75 = 11,569.06 : x
  2. Step 2: Convert to fraction form
    11,638.24/17,325.75 = 11,569.06/x
  3. Step 3: Cross multiply
    11,638.24x = 17,325.75 × 11,569.06
  4. Step 4: Simplify right side
    11,638.24x = 200,442,641.30
  5. Step 5: Solve for x
    x = 200,442,641.30/11,638.24
  6. Step 6: Final answer
    x = 17,222.76

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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.