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Finding the Fourth Proportional to 18,597.30, 25,664.20 and 10,099.36

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Solution

The fourth proportional to 18,597.30, 25,664.20 and 10,099.36 is: 13,937.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.30 : 25,664.20 = 10,099.36 : x
  2. Step 2: Convert to fraction form
    18,597.30/25,664.20 = 10,099.36/x
  3. Step 3: Cross multiply
    18,597.30x = 25,664.20 × 10,099.36
  4. Step 4: Simplify right side
    18,597.30x = 259,192,099.07
  5. Step 5: Solve for x
    x = 259,192,099.07/18,597.30
  6. Step 6: Final answer
    x = 13,937.08

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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.