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Finding the Fourth Proportional to 18,495.63, 25,524.59 and 10,112.67

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Solution

The fourth proportional to 18,495.63, 25,524.59 and 10,112.67 is: 13,955.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.63 : 25,524.59 = 10,112.67 : x
  2. Step 2: Convert to fraction form
    18,495.63/25,524.59 = 10,112.67/x
  3. Step 3: Cross multiply
    18,495.63x = 25,524.59 × 10,112.67
  4. Step 4: Simplify right side
    18,495.63x = 258,121,653.21
  5. Step 5: Solve for x
    x = 258,121,653.21/18,495.63
  6. Step 6: Final answer
    x = 13,955.82

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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.