Home / 17,117.12-23,622.08-9,665.12

Finding the Fourth Proportional to 17,117.12, 23,622.08 and 9,665.12

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Solution

The fourth proportional to 17,117.12, 23,622.08 and 9,665.12 is: 13,338.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,117.12 : 23,622.08 = 9,665.12 : x
  2. Step 2: Convert to fraction form
    17,117.12/23,622.08 = 9,665.12/x
  3. Step 3: Cross multiply
    17,117.12x = 23,622.08 × 9,665.12
  4. Step 4: Simplify right side
    17,117.12x = 228,310,237.85
  5. Step 5: Solve for x
    x = 228,310,237.85/17,117.12
  6. Step 6: Final answer
    x = 13,338.12

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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.