Home / 12,017.45-18,026.18-4,522.42

Finding the Fourth Proportional to 12,017.45, 18,026.18 and 4,522.42

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Solution

The fourth proportional to 12,017.45, 18,026.18 and 4,522.42 is: 6,783.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,017.45 : 18,026.18 = 4,522.42 : x
  2. Step 2: Convert to fraction form
    12,017.45/18,026.18 = 4,522.42/x
  3. Step 3: Cross multiply
    12,017.45x = 18,026.18 × 4,522.42
  4. Step 4: Simplify right side
    12,017.45x = 81,521,956.96
  5. Step 5: Solve for x
    x = 81,521,956.96/12,017.45
  6. Step 6: Final answer
    x = 6,783.63

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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.