Home / 46,137.10-69,205.70-12,857.26

Finding the Fourth Proportional to 46,137.10, 69,205.70 and 12,857.26

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Solution

The fourth proportional to 46,137.10, 69,205.70 and 12,857.26 is: 19,285.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,137.10 : 69,205.70 = 12,857.26 : x
  2. Step 2: Convert to fraction form
    46,137.10/69,205.70 = 12,857.26/x
  3. Step 3: Cross multiply
    46,137.10x = 69,205.70 × 12,857.26
  4. Step 4: Simplify right side
    46,137.10x = 889,795,614.10
  5. Step 5: Solve for x
    x = 889,795,614.10/46,137.10
  6. Step 6: Final answer
    x = 19,285.90

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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.