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Finding the Fourth Proportional to 18,524.70, 25,563.88 and 10,026.65

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Solution

The fourth proportional to 18,524.70, 25,563.88 and 10,026.65 is: 13,836.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,524.70 : 25,563.88 = 10,026.65 : x
  2. Step 2: Convert to fraction form
    18,524.70/25,563.88 = 10,026.65/x
  3. Step 3: Cross multiply
    18,524.70x = 25,563.88 × 10,026.65
  4. Step 4: Simplify right side
    18,524.70x = 256,320,077.40
  5. Step 5: Solve for x
    x = 256,320,077.40/18,524.70
  6. Step 6: Final answer
    x = 13,836.67

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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.