Home / 23,432.10-32,336.60-12,821.91

Finding the Fourth Proportional to 23,432.10, 32,336.60 and 12,821.91

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Solution

The fourth proportional to 23,432.10, 32,336.60 and 12,821.91 is: 17,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,432.10 : 32,336.60 = 12,821.91 : x
  2. Step 2: Convert to fraction form
    23,432.10/32,336.60 = 12,821.91/x
  3. Step 3: Cross multiply
    23,432.10x = 32,336.60 × 12,821.91
  4. Step 4: Simplify right side
    23,432.10x = 414,616,910.80
  5. Step 5: Solve for x
    x = 414,616,910.80/23,432.10
  6. Step 6: Final answer
    x = 17,694.40

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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.