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Finding the Fourth Proportional to 14,499.08, 21,751.90 and 7,835.44

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Solution

The fourth proportional to 14,499.08, 21,751.90 and 7,835.44 is: 11,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.08 : 21,751.90 = 7,835.44 : x
  2. Step 2: Convert to fraction form
    14,499.08/21,751.90 = 7,835.44/x
  3. Step 3: Cross multiply
    14,499.08x = 21,751.90 × 7,835.44
  4. Step 4: Simplify right side
    14,499.08x = 170,435,707.34
  5. Step 5: Solve for x
    x = 170,435,707.34/14,499.08
  6. Step 6: Final answer
    x = 11,754.93

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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.