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Finding the Fourth Proportional to 18,850.65, 26,013.90 and 10,467.15

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Solution

The fourth proportional to 18,850.65, 26,013.90 and 10,467.15 is: 14,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,850.65 : 26,013.90 = 10,467.15 : x
  2. Step 2: Convert to fraction form
    18,850.65/26,013.90 = 10,467.15/x
  3. Step 3: Cross multiply
    18,850.65x = 26,013.90 × 10,467.15
  4. Step 4: Simplify right side
    18,850.65x = 272,291,393.39
  5. Step 5: Solve for x
    x = 272,291,393.39/18,850.65
  6. Step 6: Final answer
    x = 14,444.67

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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.