Home / 18,396.40-25,392.36-12,023.96

Finding the Fourth Proportional to 18,396.40, 25,392.36 and 12,023.96

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Solution

The fourth proportional to 18,396.40, 25,392.36 and 12,023.96 is: 16,596.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,396.40 : 25,392.36 = 12,023.96 : x
  2. Step 2: Convert to fraction form
    18,396.40/25,392.36 = 12,023.96/x
  3. Step 3: Cross multiply
    18,396.40x = 25,392.36 × 12,023.96
  4. Step 4: Simplify right side
    18,396.40x = 305,316,720.95
  5. Step 5: Solve for x
    x = 305,316,720.95/18,396.40
  6. Step 6: Final answer
    x = 16,596.55

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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.