Home / 13,644.96-20,348.75-12,133.04

Finding the Fourth Proportional to 13,644.96, 20,348.75 and 12,133.04

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Solution

The fourth proportional to 13,644.96, 20,348.75 and 12,133.04 is: 18,094.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,644.96 : 20,348.75 = 12,133.04 : x
  2. Step 2: Convert to fraction form
    13,644.96/20,348.75 = 12,133.04/x
  3. Step 3: Cross multiply
    13,644.96x = 20,348.75 × 12,133.04
  4. Step 4: Simplify right side
    13,644.96x = 246,892,035.29
  5. Step 5: Solve for x
    x = 246,892,035.29/13,644.96
  6. Step 6: Final answer
    x = 18,094.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.