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Finding the Fourth Proportional to 18,477.89, 25,499.45 and 10,094.45

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Solution

The fourth proportional to 18,477.89, 25,499.45 and 10,094.45 is: 13,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,477.89 : 25,499.45 = 10,094.45 : x
  2. Step 2: Convert to fraction form
    18,477.89/25,499.45 = 10,094.45/x
  3. Step 3: Cross multiply
    18,477.89x = 25,499.45 × 10,094.45
  4. Step 4: Simplify right side
    18,477.89x = 257,402,872.58
  5. Step 5: Solve for x
    x = 257,402,872.58/18,477.89
  6. Step 6: Final answer
    x = 13,930.32

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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.