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Finding the Fourth Proportional to 18,473.94, 25,492.86 and 10,090.44

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Solution

The fourth proportional to 18,473.94, 25,492.86 and 10,090.44 is: 13,924.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.94 : 25,492.86 = 10,090.44 : x
  2. Step 2: Convert to fraction form
    18,473.94/25,492.86 = 10,090.44/x
  3. Step 3: Cross multiply
    18,473.94x = 25,492.86 × 10,090.44
  4. Step 4: Simplify right side
    18,473.94x = 257,234,174.26
  5. Step 5: Solve for x
    x = 257,234,174.26/18,473.94
  6. Step 6: Final answer
    x = 13,924.16

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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.