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Finding the Fourth Proportional to 18,473.76, 25,494.12 and 10,090.08

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Solution

The fourth proportional to 18,473.76, 25,494.12 and 10,090.08 is: 13,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.76 : 25,494.12 = 10,090.08 : x
  2. Step 2: Convert to fraction form
    18,473.76/25,494.12 = 10,090.08/x
  3. Step 3: Cross multiply
    18,473.76x = 25,494.12 × 10,090.08
  4. Step 4: Simplify right side
    18,473.76x = 257,237,710.33
  5. Step 5: Solve for x
    x = 257,237,710.33/18,473.76
  6. Step 6: Final answer
    x = 13,924.49

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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.