Home / 17,196.40-23,708.82-11,135.87

Finding the Fourth Proportional to 17,196.40, 23,708.82 and 11,135.87

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Solution

The fourth proportional to 17,196.40, 23,708.82 and 11,135.87 is: 15,353.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,196.40 : 23,708.82 = 11,135.87 : x
  2. Step 2: Convert to fraction form
    17,196.40/23,708.82 = 11,135.87/x
  3. Step 3: Cross multiply
    17,196.40x = 23,708.82 × 11,135.87
  4. Step 4: Simplify right side
    17,196.40x = 264,018,337.37
  5. Step 5: Solve for x
    x = 264,018,337.37/17,196.40
  6. Step 6: Final answer
    x = 15,353.12

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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.