Home / 15,858.39-23,769.59-12,322.11

Finding the Fourth Proportional to 15,858.39, 23,769.59 and 12,322.11

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Solution

The fourth proportional to 15,858.39, 23,769.59 and 12,322.11 is: 18,469.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.39 : 23,769.59 = 12,322.11 : x
  2. Step 2: Convert to fraction form
    15,858.39/23,769.59 = 12,322.11/x
  3. Step 3: Cross multiply
    15,858.39x = 23,769.59 × 12,322.11
  4. Step 4: Simplify right side
    15,858.39x = 292,891,441.02
  5. Step 5: Solve for x
    x = 292,891,441.02/15,858.39
  6. Step 6: Final answer
    x = 18,469.18

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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.