Home / 46,141.38-69,212.10-12,861.54

Finding the Fourth Proportional to 46,141.38, 69,212.10 and 12,861.54

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Solution

The fourth proportional to 46,141.38, 69,212.10 and 12,861.54 is: 19,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,141.38 : 69,212.10 = 12,861.54 : x
  2. Step 2: Convert to fraction form
    46,141.38/69,212.10 = 12,861.54/x
  3. Step 3: Cross multiply
    46,141.38x = 69,212.10 × 12,861.54
  4. Step 4: Simplify right side
    46,141.38x = 890,174,192.63
  5. Step 5: Solve for x
    x = 890,174,192.63/46,141.38
  6. Step 6: Final answer
    x = 19,292.32

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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.