Home / 23,431.46-32,336.24-12,821.09

Finding the Fourth Proportional to 23,431.46, 32,336.24 and 12,821.09

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Solution

The fourth proportional to 23,431.46, 32,336.24 and 12,821.09 is: 17,693.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,431.46 : 32,336.24 = 12,821.09 : x
  2. Step 2: Convert to fraction form
    23,431.46/32,336.24 = 12,821.09/x
  3. Step 3: Cross multiply
    23,431.46x = 32,336.24 × 12,821.09
  4. Step 4: Simplify right side
    23,431.46x = 414,585,617.51
  5. Step 5: Solve for x
    x = 414,585,617.51/23,431.46
  6. Step 6: Final answer
    x = 17,693.55

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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.