Home / 13,942.93-19,234.11-8,901.85

Finding the Fourth Proportional to 13,942.93, 19,234.11 and 8,901.85

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Solution

The fourth proportional to 13,942.93, 19,234.11 and 8,901.85 is: 12,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.93 : 19,234.11 = 8,901.85 : x
  2. Step 2: Convert to fraction form
    13,942.93/19,234.11 = 8,901.85/x
  3. Step 3: Cross multiply
    13,942.93x = 19,234.11 × 8,901.85
  4. Step 4: Simplify right side
    13,942.93x = 171,219,190.82
  5. Step 5: Solve for x
    x = 171,219,190.82/13,942.93
  6. Step 6: Final answer
    x = 12,280.00

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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.