Home / 30,432.18-45,648.27-9,654.06

Finding the Fourth Proportional to 30,432.18, 45,648.27 and 9,654.06

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Solution

The fourth proportional to 30,432.18, 45,648.27 and 9,654.06 is: 14,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,432.18 : 45,648.27 = 9,654.06 : x
  2. Step 2: Convert to fraction form
    30,432.18/45,648.27 = 9,654.06/x
  3. Step 3: Cross multiply
    30,432.18x = 45,648.27 × 9,654.06
  4. Step 4: Simplify right side
    30,432.18x = 440,691,137.48
  5. Step 5: Solve for x
    x = 440,691,137.48/30,432.18
  6. Step 6: Final answer
    x = 14,481.09

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.