Home / 23,664.38-32,636.25-20,476.64

Finding the Fourth Proportional to 23,664.38, 32,636.25 and 20,476.64

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Solution

The fourth proportional to 23,664.38, 32,636.25 and 20,476.64 is: 28,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,664.38 : 32,636.25 = 20,476.64 : x
  2. Step 2: Convert to fraction form
    23,664.38/32,636.25 = 20,476.64/x
  3. Step 3: Cross multiply
    23,664.38x = 32,636.25 × 20,476.64
  4. Step 4: Simplify right side
    23,664.38x = 668,280,823.79
  5. Step 5: Solve for x
    x = 668,280,823.79/23,664.38
  6. Step 6: Final answer
    x = 28,239.95

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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.