Home / 18,012.08-24,849.72-11,285.98

Finding the Fourth Proportional to 18,012.08, 24,849.72 and 11,285.98

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Solution

The fourth proportional to 18,012.08, 24,849.72 and 11,285.98 is: 15,570.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.08 : 24,849.72 = 11,285.98 : x
  2. Step 2: Convert to fraction form
    18,012.08/24,849.72 = 11,285.98/x
  3. Step 3: Cross multiply
    18,012.08x = 24,849.72 × 11,285.98
  4. Step 4: Simplify right side
    18,012.08x = 280,453,442.93
  5. Step 5: Solve for x
    x = 280,453,442.93/18,012.08
  6. Step 6: Final answer
    x = 15,570.30

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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.