Home / 23,653.12-32,640.60-13,042.75

Finding the Fourth Proportional to 23,653.12, 32,640.60 and 13,042.75

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Solution

The fourth proportional to 23,653.12, 32,640.60 and 13,042.75 is: 17,998.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,653.12 : 32,640.60 = 13,042.75 : x
  2. Step 2: Convert to fraction form
    23,653.12/32,640.60 = 13,042.75/x
  3. Step 3: Cross multiply
    23,653.12x = 32,640.60 × 13,042.75
  4. Step 4: Simplify right side
    23,653.12x = 425,723,152.96
  5. Step 5: Solve for x
    x = 425,723,152.96/23,653.12
  6. Step 6: Final answer
    x = 17,998.61

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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.