Home / 14,482.77-21,687.39-12,136.61

Finding the Fourth Proportional to 14,482.77, 21,687.39 and 12,136.61

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Solution

The fourth proportional to 14,482.77, 21,687.39 and 12,136.61 is: 18,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.77 : 21,687.39 = 12,136.61 : x
  2. Step 2: Convert to fraction form
    14,482.77/21,687.39 = 12,136.61/x
  3. Step 3: Cross multiply
    14,482.77x = 21,687.39 × 12,136.61
  4. Step 4: Simplify right side
    14,482.77x = 263,211,285.91
  5. Step 5: Solve for x
    x = 263,211,285.91/14,482.77
  6. Step 6: Final answer
    x = 18,174.10

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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.