Home / 23,690.12-32,689.42-13,079.68

Finding the Fourth Proportional to 23,690.12, 32,689.42 and 13,079.68

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Solution

The fourth proportional to 23,690.12, 32,689.42 and 13,079.68 is: 18,048.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,690.12 : 32,689.42 = 13,079.68 : x
  2. Step 2: Convert to fraction form
    23,690.12/32,689.42 = 13,079.68/x
  3. Step 3: Cross multiply
    23,690.12x = 32,689.42 × 13,079.68
  4. Step 4: Simplify right side
    23,690.12x = 427,567,112.14
  5. Step 5: Solve for x
    x = 427,567,112.14/23,690.12
  6. Step 6: Final answer
    x = 18,048.33

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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.