Home / 17,279.57-23,845.74-9,725.89

Finding the Fourth Proportional to 17,279.57, 23,845.74 and 9,725.89

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Solution

The fourth proportional to 17,279.57, 23,845.74 and 9,725.89 is: 13,421.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.57 : 23,845.74 = 9,725.89 : x
  2. Step 2: Convert to fraction form
    17,279.57/23,845.74 = 9,725.89/x
  3. Step 3: Cross multiply
    17,279.57x = 23,845.74 × 9,725.89
  4. Step 4: Simplify right side
    17,279.57x = 231,921,097.84
  5. Step 5: Solve for x
    x = 231,921,097.84/17,279.57
  6. Step 6: Final answer
    x = 13,421.70

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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.