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Finding the Fourth Proportional to 18,477.92, 25,499.54 and 10,094.42

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Solution

The fourth proportional to 18,477.92, 25,499.54 and 10,094.42 is: 13,930.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.92 : 25,499.54 = 10,094.42 : x
  2. Step 2: Convert to fraction form
    18,477.92/25,499.54 = 10,094.42/x
  3. Step 3: Cross multiply
    18,477.92x = 25,499.54 × 10,094.42
  4. Step 4: Simplify right side
    18,477.92x = 257,403,155.55
  5. Step 5: Solve for x
    x = 257,403,155.55/18,477.92
  6. Step 6: Final answer
    x = 13,930.31

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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.