Home / 13,363.96-18,450.64-8,585.84

Finding the Fourth Proportional to 13,363.96, 18,450.64 and 8,585.84

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Solution

The fourth proportional to 13,363.96, 18,450.64 and 8,585.84 is: 11,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363.96 : 18,450.64 = 8,585.84 : x
  2. Step 2: Convert to fraction form
    13,363.96/18,450.64 = 8,585.84/x
  3. Step 3: Cross multiply
    13,363.96x = 18,450.64 × 8,585.84
  4. Step 4: Simplify right side
    13,363.96x = 158,414,242.94
  5. Step 5: Solve for x
    x = 158,414,242.94/13,363.96
  6. Step 6: Final answer
    x = 11,853.84

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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.