Home / 23,430.36-32,333.40-12,819.36

Finding the Fourth Proportional to 23,430.36, 32,333.40 and 12,819.36

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Solution

The fourth proportional to 23,430.36, 32,333.40 and 12,819.36 is: 17,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,430.36 : 32,333.40 = 12,819.36 : x
  2. Step 2: Convert to fraction form
    23,430.36/32,333.40 = 12,819.36/x
  3. Step 3: Cross multiply
    23,430.36x = 32,333.40 × 12,819.36
  4. Step 4: Simplify right side
    23,430.36x = 414,493,494.62
  5. Step 5: Solve for x
    x = 414,493,494.62/23,430.36
  6. Step 6: Final answer
    x = 17,690.44

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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.