Home / 23,304.16-32,205.36-20,712.16

Finding the Fourth Proportional to 23,304.16, 32,205.36 and 20,712.16

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Solution

The fourth proportional to 23,304.16, 32,205.36 and 20,712.16 is: 28,623.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,304.16 : 32,205.36 = 20,712.16 : x
  2. Step 2: Convert to fraction form
    23,304.16/32,205.36 = 20,712.16/x
  3. Step 3: Cross multiply
    23,304.16x = 32,205.36 × 20,712.16
  4. Step 4: Simplify right side
    23,304.16x = 667,042,569.18
  5. Step 5: Solve for x
    x = 667,042,569.18/23,304.16
  6. Step 6: Final answer
    x = 28,623.33

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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.