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Finding the Fourth Proportional to 18,597.74, 25,664.88 and 10,099.82

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Solution

The fourth proportional to 18,597.74, 25,664.88 and 10,099.82 is: 13,937.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,597.74 : 25,664.88 = 10,099.82 : x
  2. Step 2: Convert to fraction form
    18,597.74/25,664.88 = 10,099.82/x
  3. Step 3: Cross multiply
    18,597.74x = 25,664.88 × 10,099.82
  4. Step 4: Simplify right side
    18,597.74x = 259,210,668.32
  5. Step 5: Solve for x
    x = 259,210,668.32/18,597.74
  6. Step 6: Final answer
    x = 13,937.75

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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.