Home / 14,136.18-19,485.60-11,294.61

Finding the Fourth Proportional to 14,136.18, 19,485.60 and 11,294.61

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Solution

The fourth proportional to 14,136.18, 19,485.60 and 11,294.61 is: 15,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,136.18 : 19,485.60 = 11,294.61 : x
  2. Step 2: Convert to fraction form
    14,136.18/19,485.60 = 11,294.61/x
  3. Step 3: Cross multiply
    14,136.18x = 19,485.60 × 11,294.61
  4. Step 4: Simplify right side
    14,136.18x = 220,082,252.62
  5. Step 5: Solve for x
    x = 220,082,252.62/14,136.18
  6. Step 6: Final answer
    x = 15,568.72

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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.