Home / 20,534.37-30,801.01-5,742.96

Finding the Fourth Proportional to 20,534.37, 30,801.01 and 5,742.96

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Solution

The fourth proportional to 20,534.37, 30,801.01 and 5,742.96 is: 8,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.37 : 30,801.01 = 5,742.96 : x
  2. Step 2: Convert to fraction form
    20,534.37/30,801.01 = 5,742.96/x
  3. Step 3: Cross multiply
    20,534.37x = 30,801.01 × 5,742.96
  4. Step 4: Simplify right side
    20,534.37x = 176,888,968.39
  5. Step 5: Solve for x
    x = 176,888,968.39/20,534.37
  6. Step 6: Final answer
    x = 8,614.29

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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.