Home / 23,220.21-32,042.90-12,609.63

Finding the Fourth Proportional to 23,220.21, 32,042.90 and 12,609.63

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Solution

The fourth proportional to 23,220.21, 32,042.90 and 12,609.63 is: 17,400.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,220.21 : 32,042.90 = 12,609.63 : x
  2. Step 2: Convert to fraction form
    23,220.21/32,042.90 = 12,609.63/x
  3. Step 3: Cross multiply
    23,220.21x = 32,042.90 × 12,609.63
  4. Step 4: Simplify right side
    23,220.21x = 404,049,050.08
  5. Step 5: Solve for x
    x = 404,049,050.08/23,220.21
  6. Step 6: Final answer
    x = 17,400.75

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Half scale
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Double scale
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Similar ratio
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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.