Home / 18,354.54-25,317.40-12,609.26

Finding the Fourth Proportional to 18,354.54, 25,317.40 and 12,609.26

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Solution

The fourth proportional to 18,354.54, 25,317.40 and 12,609.26 is: 17,392.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.54 : 25,317.40 = 12,609.26 : x
  2. Step 2: Convert to fraction form
    18,354.54/25,317.40 = 12,609.26/x
  3. Step 3: Cross multiply
    18,354.54x = 25,317.40 × 12,609.26
  4. Step 4: Simplify right side
    18,354.54x = 319,233,679.12
  5. Step 5: Solve for x
    x = 319,233,679.12/18,354.54
  6. Step 6: Final answer
    x = 17,392.63

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Similar ratio
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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.