Home / 18,225.79-25,157.40-11,841.14

Finding the Fourth Proportional to 18,225.79, 25,157.40 and 11,841.14

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Solution

The fourth proportional to 18,225.79, 25,157.40 and 11,841.14 is: 16,344.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,225.79 : 25,157.40 = 11,841.14 : x
  2. Step 2: Convert to fraction form
    18,225.79/25,157.40 = 11,841.14/x
  3. Step 3: Cross multiply
    18,225.79x = 25,157.40 × 11,841.14
  4. Step 4: Simplify right side
    18,225.79x = 297,892,295.44
  5. Step 5: Solve for x
    x = 297,892,295.44/18,225.79
  6. Step 6: Final answer
    x = 16,344.55

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Double scale
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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.