Home / 23,430.44-32,333.72-12,819.92

Finding the Fourth Proportional to 23,430.44, 32,333.72 and 12,819.92

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Solution

The fourth proportional to 23,430.44, 32,333.72 and 12,819.92 is: 17,691.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.44 : 32,333.72 = 12,819.92 : x
  2. Step 2: Convert to fraction form
    23,430.44/32,333.72 = 12,819.92/x
  3. Step 3: Cross multiply
    23,430.44x = 32,333.72 × 12,819.92
  4. Step 4: Simplify right side
    23,430.44x = 414,515,703.70
  5. Step 5: Solve for x
    x = 414,515,703.70/23,430.44
  6. Step 6: Final answer
    x = 17,691.33

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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.