Home / 17,179.10-23,718.53-13,193.06

Finding the Fourth Proportional to 17,179.10, 23,718.53 and 13,193.06

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Solution

The fourth proportional to 17,179.10, 23,718.53 and 13,193.06 is: 18,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,179.10 : 23,718.53 = 13,193.06 : x
  2. Step 2: Convert to fraction form
    17,179.10/23,718.53 = 13,193.06/x
  3. Step 3: Cross multiply
    17,179.10x = 23,718.53 × 13,193.06
  4. Step 4: Simplify right side
    17,179.10x = 312,919,989.40
  5. Step 5: Solve for x
    x = 312,919,989.40/17,179.10
  6. Step 6: Final answer
    x = 18,215.16

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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.