Home / 23,279.13-32,125.41-12,668.54

Finding the Fourth Proportional to 23,279.13, 32,125.41 and 12,668.54

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Solution

The fourth proportional to 23,279.13, 32,125.41 and 12,668.54 is: 17,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,279.13 : 32,125.41 = 12,668.54 : x
  2. Step 2: Convert to fraction form
    23,279.13/32,125.41 = 12,668.54/x
  3. Step 3: Cross multiply
    23,279.13x = 32,125.41 × 12,668.54
  4. Step 4: Simplify right side
    23,279.13x = 406,981,880.97
  5. Step 5: Solve for x
    x = 406,981,880.97/23,279.13
  6. Step 6: Final answer
    x = 17,482.69

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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.