Home / 23,689.36-32,690.47-13,078.97

Finding the Fourth Proportional to 23,689.36, 32,690.47 and 13,078.97

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Solution

The fourth proportional to 23,689.36, 32,690.47 and 13,078.97 is: 18,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.36 : 32,690.47 = 13,078.97 : x
  2. Step 2: Convert to fraction form
    23,689.36/32,690.47 = 13,078.97/x
  3. Step 3: Cross multiply
    23,689.36x = 32,690.47 × 13,078.97
  4. Step 4: Simplify right side
    23,689.36x = 427,557,447.57
  5. Step 5: Solve for x
    x = 427,557,447.57/23,689.36
  6. Step 6: Final answer
    x = 18,048.51

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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.