Home / 12,941.19-19,436.39-8,045.04

Finding the Fourth Proportional to 12,941.19, 19,436.39 and 8,045.04

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Solution

The fourth proportional to 12,941.19, 19,436.39 and 8,045.04 is: 12,082.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,941.19 : 19,436.39 = 8,045.04 : x
  2. Step 2: Convert to fraction form
    12,941.19/19,436.39 = 8,045.04/x
  3. Step 3: Cross multiply
    12,941.19x = 19,436.39 × 8,045.04
  4. Step 4: Simplify right side
    12,941.19x = 156,366,494.78
  5. Step 5: Solve for x
    x = 156,366,494.78/12,941.19
  6. Step 6: Final answer
    x = 12,082.86

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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.