Home / 46,170.09-69,245.08-12,435.28

Finding the Fourth Proportional to 46,170.09, 69,245.08 and 12,435.28

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Solution

The fourth proportional to 46,170.09, 69,245.08 and 12,435.28 is: 18,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,170.09 : 69,245.08 = 12,435.28 : x
  2. Step 2: Convert to fraction form
    46,170.09/69,245.08 = 12,435.28/x
  3. Step 3: Cross multiply
    46,170.09x = 69,245.08 × 12,435.28
  4. Step 4: Simplify right side
    46,170.09x = 861,081,754.22
  5. Step 5: Solve for x
    x = 861,081,754.22/46,170.09
  6. Step 6: Final answer
    x = 18,650.21

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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.