Home / 20,152.05-27,801.87-11,652.63

Finding the Fourth Proportional to 20,152.05, 27,801.87 and 11,652.63

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Solution

The fourth proportional to 20,152.05, 27,801.87 and 11,652.63 is: 16,076.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.05 : 27,801.87 = 11,652.63 : x
  2. Step 2: Convert to fraction form
    20,152.05/27,801.87 = 11,652.63/x
  3. Step 3: Cross multiply
    20,152.05x = 27,801.87 × 11,652.63
  4. Step 4: Simplify right side
    20,152.05x = 323,964,904.42
  5. Step 5: Solve for x
    x = 323,964,904.42/20,152.05
  6. Step 6: Final answer
    x = 16,076.03

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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.