Home / 43,329.48-65,005.16-12,164.73

Finding the Fourth Proportional to 43,329.48, 65,005.16 and 12,164.73

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Solution

The fourth proportional to 43,329.48, 65,005.16 and 12,164.73 is: 18,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,329.48 : 65,005.16 = 12,164.73 : x
  2. Step 2: Convert to fraction form
    43,329.48/65,005.16 = 12,164.73/x
  3. Step 3: Cross multiply
    43,329.48x = 65,005.16 × 12,164.73
  4. Step 4: Simplify right side
    43,329.48x = 790,770,159.18
  5. Step 5: Solve for x
    x = 790,770,159.18/43,329.48
  6. Step 6: Final answer
    x = 18,250.16

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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.