Home / 23,429.79-32,333.58-12,819.65

Finding the Fourth Proportional to 23,429.79, 32,333.58 and 12,819.65

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Solution

The fourth proportional to 23,429.79, 32,333.58 and 12,819.65 is: 17,691.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,429.79 : 32,333.58 = 12,819.65 : x
  2. Step 2: Convert to fraction form
    23,429.79/32,333.58 = 12,819.65/x
  3. Step 3: Cross multiply
    23,429.79x = 32,333.58 × 12,819.65
  4. Step 4: Simplify right side
    23,429.79x = 414,505,090.36
  5. Step 5: Solve for x
    x = 414,505,090.36/23,429.79
  6. Step 6: Final answer
    x = 17,691.37

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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.