Home / 14,145.63-21,224.60-5,383.05

Finding the Fourth Proportional to 14,145.63, 21,224.60 and 5,383.05

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Solution

The fourth proportional to 14,145.63, 21,224.60 and 5,383.05 is: 8,076.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.63 : 21,224.60 = 5,383.05 : x
  2. Step 2: Convert to fraction form
    14,145.63/21,224.60 = 5,383.05/x
  3. Step 3: Cross multiply
    14,145.63x = 21,224.60 × 5,383.05
  4. Step 4: Simplify right side
    14,145.63x = 114,253,056.11
  5. Step 5: Solve for x
    x = 114,253,056.11/14,145.63
  6. Step 6: Final answer
    x = 8,076.92

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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.