Home / 18,056.70-27,048.60-12,516.30

Finding the Fourth Proportional to 18,056.70, 27,048.60 and 12,516.30

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Solution

The fourth proportional to 18,056.70, 27,048.60 and 12,516.30 is: 18,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,056.70 : 27,048.60 = 12,516.30 : x
  2. Step 2: Convert to fraction form
    18,056.70/27,048.60 = 12,516.30/x
  3. Step 3: Cross multiply
    18,056.70x = 27,048.60 × 12,516.30
  4. Step 4: Simplify right side
    18,056.70x = 338,548,392.18
  5. Step 5: Solve for x
    x = 338,548,392.18/18,056.70
  6. Step 6: Final answer
    x = 18,749.18

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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.