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Finding the Fourth Proportional to 18,367.84, 25,347.72 and 10,814.50

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Solution

The fourth proportional to 18,367.84, 25,347.72 and 10,814.50 is: 14,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.84 : 25,347.72 = 10,814.50 : x
  2. Step 2: Convert to fraction form
    18,367.84/25,347.72 = 10,814.50/x
  3. Step 3: Cross multiply
    18,367.84x = 25,347.72 × 10,814.50
  4. Step 4: Simplify right side
    18,367.84x = 274,122,917.94
  5. Step 5: Solve for x
    x = 274,122,917.94/18,367.84
  6. Step 6: Final answer
    x = 14,924.07

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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.