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Finding the Fourth Proportional to 18,596.71, 27,859.89 and 14,416.23

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Solution

The fourth proportional to 18,596.71, 27,859.89 and 14,416.23 is: 21,597.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,596.71 : 27,859.89 = 14,416.23 : x
  2. Step 2: Convert to fraction form
    18,596.71/27,859.89 = 14,416.23/x
  3. Step 3: Cross multiply
    18,596.71x = 27,859.89 × 14,416.23
  4. Step 4: Simplify right side
    18,596.71x = 401,634,582.01
  5. Step 5: Solve for x
    x = 401,634,582.01/18,596.71
  6. Step 6: Final answer
    x = 21,597.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.