Home / 23,646.62-32,631.88-12,891.60

Finding the Fourth Proportional to 23,646.62, 32,631.88 and 12,891.60

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Solution

The fourth proportional to 23,646.62, 32,631.88 and 12,891.60 is: 17,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,646.62 : 32,631.88 = 12,891.60 : x
  2. Step 2: Convert to fraction form
    23,646.62/32,631.88 = 12,891.60/x
  3. Step 3: Cross multiply
    23,646.62x = 32,631.88 × 12,891.60
  4. Step 4: Simplify right side
    23,646.62x = 420,677,144.21
  5. Step 5: Solve for x
    x = 420,677,144.21/23,646.62
  6. Step 6: Final answer
    x = 17,790.16

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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.