Home / 14,156.10-21,234.62-3,767.86

Finding the Fourth Proportional to 14,156.10, 21,234.62 and 3,767.86

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Solution

The fourth proportional to 14,156.10, 21,234.62 and 3,767.86 is: 5,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,156.10 : 21,234.62 = 3,767.86 : x
  2. Step 2: Convert to fraction form
    14,156.10/21,234.62 = 3,767.86/x
  3. Step 3: Cross multiply
    14,156.10x = 21,234.62 × 3,767.86
  4. Step 4: Simplify right side
    14,156.10x = 80,009,075.31
  5. Step 5: Solve for x
    x = 80,009,075.31/14,156.10
  6. Step 6: Final answer
    x = 5,651.92

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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.