Home / 17,372.79-23,982.72-11,640.12

Finding the Fourth Proportional to 17,372.79, 23,982.72 and 11,640.12

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Solution

The fourth proportional to 17,372.79, 23,982.72 and 11,640.12 is: 16,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,372.79 : 23,982.72 = 11,640.12 : x
  2. Step 2: Convert to fraction form
    17,372.79/23,982.72 = 11,640.12/x
  3. Step 3: Cross multiply
    17,372.79x = 23,982.72 × 11,640.12
  4. Step 4: Simplify right side
    17,372.79x = 279,161,680.53
  5. Step 5: Solve for x
    x = 279,161,680.53/17,372.79
  6. Step 6: Final answer
    x = 16,068.90

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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.