Home / 23,219.64-32,042.80-12,609.34

Finding the Fourth Proportional to 23,219.64, 32,042.80 and 12,609.34

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Solution

The fourth proportional to 23,219.64, 32,042.80 and 12,609.34 is: 17,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,219.64 : 32,042.80 = 12,609.34 : x
  2. Step 2: Convert to fraction form
    23,219.64/32,042.80 = 12,609.34/x
  3. Step 3: Cross multiply
    23,219.64x = 32,042.80 × 12,609.34
  4. Step 4: Simplify right side
    23,219.64x = 404,038,559.75
  5. Step 5: Solve for x
    x = 404,038,559.75/23,219.64
  6. Step 6: Final answer
    x = 17,400.72

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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.