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Finding the Fourth Proportional to 18,497.82, 25,497.03 and 14,457.60

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Solution

The fourth proportional to 18,497.82, 25,497.03 and 14,457.60 is: 19,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.82 : 25,497.03 = 14,457.60 : x
  2. Step 2: Convert to fraction form
    18,497.82/25,497.03 = 14,457.60/x
  3. Step 3: Cross multiply
    18,497.82x = 25,497.03 × 14,457.60
  4. Step 4: Simplify right side
    18,497.82x = 368,625,860.93
  5. Step 5: Solve for x
    x = 368,625,860.93/18,497.82
  6. Step 6: Final answer
    x = 19,928.07

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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.