Home / 15,934.20-23,894.10-7,164.60

Finding the Fourth Proportional to 15,934.20, 23,894.10 and 7,164.60

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Solution

The fourth proportional to 15,934.20, 23,894.10 and 7,164.60 is: 10,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,934.20 : 23,894.10 = 7,164.60 : x
  2. Step 2: Convert to fraction form
    15,934.20/23,894.10 = 7,164.60/x
  3. Step 3: Cross multiply
    15,934.20x = 23,894.10 × 7,164.60
  4. Step 4: Simplify right side
    15,934.20x = 171,191,668.86
  5. Step 5: Solve for x
    x = 171,191,668.86/15,934.20
  6. Step 6: Final answer
    x = 10,743.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.