Home / 23,489.42-32,415.16-12,879.04

Finding the Fourth Proportional to 23,489.42, 32,415.16 and 12,879.04

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Solution

The fourth proportional to 23,489.42, 32,415.16 and 12,879.04 is: 17,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,489.42 : 32,415.16 = 12,879.04 : x
  2. Step 2: Convert to fraction form
    23,489.42/32,415.16 = 12,879.04/x
  3. Step 3: Cross multiply
    23,489.42x = 32,415.16 × 12,879.04
  4. Step 4: Simplify right side
    23,489.42x = 417,475,947.97
  5. Step 5: Solve for x
    x = 417,475,947.97/23,489.42
  6. Step 6: Final answer
    x = 17,772.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.